terraform.io
B
24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
1
0
SSL Certificate
89d
Security Headers
0/6
Status Badges
Click any snippet to copy. Use Markdown for GitHub READMEs, HTML for websites.
| Badge | Markdown | HTML |
|---|---|---|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/status.svg" alt="Status"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/uptime.svg" alt="Uptime"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/response-time.svg" alt="Response Time"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/ssl.svg" alt="SSL"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/cwv.svg" alt="Performance"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/cwv.svg?category=accessibility" alt="Accessibility"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/cwv.svg?category=seo" alt="SEO"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/security-headers.svg" alt="Security Headers"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/uptime.svg?period=24h" alt="Uptime 24h"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/incidents.svg" alt="Incidents"></a> |
|
[](https://updown.website/site/terraform.io/) |
<a href="https://updown.website/site/terraform.io/"><img src="https://updown.website/badge/terraform.io/ipv46.svg" alt="IPv4/IPv6"></a> |
Site Health (24 h)
HTTP Response
DNS Lookup
Ping
Up
Down
Reports
Incident
Monitoring
Recent HTTP Checks (24 h)
Total Checks
9
Success Rate
100%
Avg Response
9962 ms
Min / Max
4930
/
13646 ms
Recent Checks
15:05
11:46
| Time | Status | Code | Response | Agent | Error |
|---|---|---|---|---|---|
| 11:46:36 | UP | 200 | 8830 ms | prod-local | — |
| 09:01:59 | UP | 200 | 4930 ms | prod-local | — |
| 05:40:30 | UP | 200 | 10448 ms | prod-local | — |
| 04:10:37 | UP | 200 | 9113 ms | prod-local | — |
| 01:39:53 | UP | 200 | 10929 ms | prod-local | — |
| 23:45:44 | UP | 200 | 11889 ms | prod-local | — |
| 18:55:35 | UP | 200 | 9127 ms | prod-local | — |
| 16:56:27 | UP | 200 | 10749 ms | prod-local | — |
| 15:05:02 | UP | 200 | 13646 ms | prod-local | — |
Incident History
| Status | Type | Title | Started | Duration | Failures |
|---|---|---|---|---|---|
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-22 04:10 | 1h 29m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-22 01:39 | 2h 30m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-21 23:45 | 1h 54m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-21 18:55 | 4h 50m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-21 16:56 | 1h 59m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-21 15:05 | 1h 51m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-21 09:41 | 5h 23m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 24 days | 2026-04-21 07:48 | 1h 53m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-21 06:03 | 1h 44m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-21 03:27 | 2h 36m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-21 00:30 | 2h 56m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 22:08 | 2h 22m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 21:05 | 1h 3m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 19:55 | 1h 9m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 17:49 | 2h 5m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 15:15 | 2h 34m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 14:06 | 1h 8m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 10:46 | 3h 20m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 25 days | 2026-04-20 07:04 | 3h 42m | 1 |
| RESOLVED | SSL Certificate Expiring | SSL cert for terraform.io expires in 26 days | 2026-04-20 05:02 | 2h 2m | 1 |
Service Checks (Banner Grab)
2 up
0 down
| Status | Port | Service | Version | IP | Banner | Latency | Checked |
|---|---|---|---|---|---|---|---|
80 |
http | Vercel | 76.76.21.21 |
HTTP/1.0 308 Permanent Redirect Content-Type: text/plain Location: https://te… | 1.9 ms | 8 minutes ago | |
443 |
https | — | 76.76.21.21 |
— | 501.7 ms | 8 minutes ago |
Security
SSL / TLS Certificate
89
days left
Valid
Apr 22, 2026
Jul 21, 2026
Issued → Expires
| Subject | commonName=terraform.io |
|---|---|
| Issuer | countryName=US, organizationName=Let's Encrypt, commonName=R12 |
| Valid From | 2026-04-22 04:25 |
| Expires | 2026-07-21 04:25 |
| Serial Number | 0544828BB6F3F4A4171B6E8BA6D7AC613D17 |
| SHA-256 Fingerprint | b8:5a:52:cb:98:d3:d1:02:79:e1:7a:15:ad:05:b2:eb:d4:c7:eb:87:e5:f0:00:13:03:af:9a:89:bf:19:05:0e |
| Subject Alt Names | terraform.io |
| Last Checked | 2026-04-22 11:46:36 |
Latest HTTP Response Details
| Final URL | https://developer.hashicorp.com/terraform |
|---|---|
| Status Code | 200 |
| Response Time | 8830 ms |
| Content Size | 121 KB (120.6 KB) |
| Content Type | text/html; charset=utf-8 |
| Server | Vercel |
| TLS Version | TLSv1.3 |
|---|---|
| TLS Cipher | TLS_AES_128_GCM_SHA256 |
| Redirects | 2 |
|
|
| Checked | 2026-04-22 11:46:36 |
Email Security Posture
MX Records
SPF
Details
v=spf1 -all
DMARC
Details
v=DMARC1; p=reject; adkim=s; aspf=s;
BIMI
MTA-STS
Partial
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
11.1 ms
Min / Max
4.4
/
29.4 ms
Record Types
4
Lookups (24h)
45
DNS Records
A
76.76.21.21
300s
10.3ms
NS
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
172800s
6.1ms
TXT
SPF
(1)
v=spf1 -all
Domain Verification
(8)
_globalsign-domain-verification=O81xyb7YxpdGeHWkniit_VBT4vTXz9__NFrNM…
_globalsign-domain-verification=O81xyb7YxpdGeHWkniit_VBT4vTXz9__NFrNMoTwFg
_globalsign-domain-verification=b1pmSjP4FyG8hkZunkD3Aoz8tK0FWCje80-Yw…
_globalsign-domain-verification=b1pmSjP4FyG8hkZunkD3Aoz8tK0FWCje80-YwtLeDU
google-site-verification=9D7erI6Bfd9EOHKSIXRe0XQaqAFAjToBtZmyYRzMm34
keybase-site-verification=5HKqMvJnTWpe8W-Aa8r0y3wuy1bhQ6LwcjaxKE9BOQU
google-site-verification=y974ACvos30pN7_OBgEZb_byZV8qYtK0G6WZfE7OX8s
google-site-verification=8d7FpfB8aOEYAIkoaVKxg7Ibj438CEypjZTH424Pews
_globalsign-domain-verification=PO95qR5HARP3zbvcQ1WFBVyLGBUvgjmgc16EN…
_globalsign-domain-verification=PO95qR5HARP3zbvcQ1WFBVyLGBUvgjmgc16ENjCtmy
google-site-verification=LQZvxDzrGE-ZLudDpkpj-gcXN-5yF7Z6C-4Rljs3I_Q
TXT Record
(1)
fastly-domain-delegation-Yo7fwKrQkFhSCURj-430751-2021-09-07
299s
7.1ms
SOA
Primary NS
ns-1228.awsdns-25.org
Admin
awsdns-hostmaster@amazon.com
Serial: 1
Refresh: 2h
Retry: 15m
Expire: 14d
Min TTL: 1d
900s
10.2ms
DNS Propagation Consistent
| Resolver | IPs Returned | Response Time | Status |
|---|---|---|---|
| Quad9 |
76.76.21.21
|
18.34ms | |
76.76.21.21
|
13.45ms | ||
| AdGuard |
76.76.21.21
|
282.89ms | |
| OpenDNS |
76.76.21.21
|
78.27ms | |
| Cloudflare |
76.76.21.21
|
10.23ms |
WHOIS / Domain Registration
Registrar
CSC Corporate Domains, Inc.
Created
2013-11-03
Updated
2025-10-24
Expires
2026-11-03
Name Servers (WHOIS)
ns-297.awsdns-37.com
ns-702.awsdns-23.net
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
Domain Status
serverDeleteProhibited
clientTransferProhibited
serverTransferProhibited
serverUpdateProhibited
DNSSEC
—
WHOIS Last Checked
2026-04-22 04:10
Resolution Time (A/AAAA recent)
01:39
11:46
| Time | Type | Values | TTL | Resolution | Nameserver |
|---|---|---|---|---|---|
| 11:46:36 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 10.2 ms | 10.89.0.1 |
| 11:46:36 | TXT |
10 records
|
299s | 7.1 ms | 10.89.0.1 |
| 11:46:36 | NS |
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
|
172800s | 6.1 ms | 10.89.0.1 |
| 11:46:36 | AAAA | — | — | 10.4 ms | — |
| 11:46:36 | A |
76.76.21.21
|
300s | 10.3 ms | 10.89.0.1 |
| 09:01:58 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 5.8 ms | 10.89.0.1 |
| 09:01:58 | TXT |
10 records
|
299s | 6.6 ms | 10.89.0.1 |
| 09:01:58 | NS |
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
|
172800s | 12.3 ms | 10.89.0.1 |
| 09:01:58 | AAAA | — | — | 11.8 ms | — |
| 09:01:58 | A |
76.76.21.21
|
300s | 5.6 ms | 10.89.0.1 |
| 05:40:30 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 10.3 ms | 10.89.0.1 |
| 05:40:30 | TXT |
10 records
|
299s | 12.8 ms | 10.89.0.1 |
| 05:40:30 | NS |
ns-297.awsdns-37.com
ns-1672.awsdns-17.co.uk
ns-1228.awsdns-25.org
ns-702.awsdns-23.net
|
1768s | 1.0 ms | 10.89.0.1 |
| 05:40:30 | AAAA | — | — | 4.4 ms | — |
| 05:40:30 | A |
76.76.21.21
|
300s | 11.6 ms | 10.89.0.1 |
| 04:10:37 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 12.3 ms | 10.89.0.1 |
| 04:10:37 | TXT |
10 records
|
299s | 7.6 ms | 10.89.0.1 |
| 04:10:37 | NS |
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
|
172800s | 5.6 ms | 10.89.0.1 |
| 04:10:37 | AAAA | — | — | 29.4 ms | — |
| 04:10:37 | A |
76.76.21.21
|
300s | 21.8 ms | 10.89.0.1 |
| 01:39:53 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 18.2 ms | 10.89.0.1 |
| 01:39:53 | TXT |
10 records
|
299s | 19.9 ms | 10.89.0.1 |
| 01:39:53 | NS |
ns-1672.awsdns-17.co.uk
ns-1228.awsdns-25.org
ns-702.awsdns-23.net
ns-297.awsdns-37.com
|
21600s | 30.0 ms | 10.89.0.1 |
| 01:39:53 | AAAA | — | — | 7.3 ms | — |
| 01:39:53 | A |
76.76.21.21
|
152s | 13.5 ms | 10.89.0.1 |
| 23:45:44 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 6.9 ms | 10.89.0.1 |
| 23:45:44 | TXT |
10 records
|
299s | 13.4 ms | 10.89.0.1 |
| 23:45:44 | NS |
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
|
172800s | 5.9 ms | 10.89.0.1 |
| 23:45:44 | AAAA | — | — | 5.6 ms | — |
| 23:45:44 | A |
76.76.21.21
|
300s | 6.3 ms | 10.89.0.1 |
| 18:55:35 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 10.5 ms | 10.89.0.1 |
| 18:55:35 | TXT |
10 records
|
299s | 12.5 ms | 10.89.0.1 |
| 18:55:35 | NS |
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
|
332s | 1.0 ms | 10.89.0.1 |
| 18:55:35 | AAAA | — | — | 11.0 ms | — |
| 18:55:35 | A |
76.76.21.21
|
300s | 9.4 ms | 10.89.0.1 |
| 16:56:27 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 5.9 ms | 10.89.0.1 |
| 16:56:27 | TXT |
10 records
|
299s | 6.4 ms | 10.89.0.1 |
| 16:56:27 | NS |
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-297.awsdns-37.com
ns-702.awsdns-23.net
|
172800s | 30.9 ms | 10.89.0.1 |
| 16:56:27 | AAAA | — | — | 5.9 ms | — |
| 16:56:27 | A |
76.76.21.21
|
300s | 5.5 ms | 10.89.0.1 |
| 15:05:02 | SOA |
ns-1228.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
|
900s | 17.8 ms | 10.89.0.1 |
| 15:05:02 | TXT |
10 records
|
299s | 28.6 ms | 10.89.0.1 |
| 15:05:02 | NS |
ns-297.awsdns-37.com
ns-1228.awsdns-25.org
ns-1672.awsdns-17.co.uk
ns-702.awsdns-23.net
|
21600s | 17.4 ms | 10.89.0.1 |
| 15:05:02 | AAAA | — | — | 14.6 ms | — |
| 15:05:02 | A |
76.76.21.21
|
139s | 15.5 ms | 10.89.0.1 |
Open Ports
2
Open Ports
2
IPs Scanned
2
| Port | Protocol | Service | IP Address | Status | Latency | Banner |
|---|---|---|---|---|---|---|
80 |
TCP | http | 76.76.21.21 |
Open | 2.5 ms | — |
443 |
TCP | https | 76.76.21.21 |
Open | 2.0 ms | — |
Active IP Addresses
| IP Address | Version | Reverse DNS | CIDR | Country | City | ASN | Reputation | First Seen | Last DNS | Hits | Misses | Uptime % | Avg Latency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
76.76.21.21 |
IPv4 | — |
76.76.21.0/24
|
US | Walnut | AS16509 Amazon.com, Inc. | Clean | 2026-04-19 17:34 | 2026-04-22 11:46 | 9 | 0 | 100.0% | 2.6 ms |
Technology
Technology Stack
15 detected
HTTP/2
HTTP/3 (QUIC)
15
Technologies
API
1
Public CORS API
CORS wildcard origin
CDN
1
TXT delegation: fastly-domain-delegation-Yo7fwKrQkFhSCURj-430751-2021-09-07
DNS
1
NS record: ns-1228.awsdns-25.org
Email
1
SPF Record
TXT SPF: v=spf1 -all
Framework
1
Next.js build path
Infrastructure
1
Terraform
Monitoring
1
Datadog script
Platform
1
X-Vercel-Id header
SEO
2
Security
1
TXT verification: _globalsign-domain-verification=O81xyb7YxpdGeHWkniit_VBT4vTXz…
Service
1
Algolia search
Social
2
Verification
1
TXT verification: google-site-verification=9D7erI6Bfd9EOHKSIXRe0XQaqAFAjToBtZmy…
Technology Provider
1 tech · 1 sites
This domain provides technology used by other monitored sites.
Terraform
Discovery
Discovered Sub-domains
5
Wordlist Brute-force
5
| Subdomain | Source | Status | Code | Response | IPs | Last Checked |
|---|---|---|---|---|---|---|
app.terraform.io |
Wordlist Brute-force | UP | 200 | 118 ms | — | 2 days, 10 hours ago |
cdn.terraform.io |
Wordlist Brute-force | Pending | — | — | — | Never |
eu.terraform.io |
Wordlist Brute-force | Pending | — | — | — | Never |
registry.terraform.io |
Wordlist Brute-force | UP | 200 | 53 ms |
2600:9000:2209:a800:16:1aa3:1440:93a1,
2600:9000:2209:8a00:16:1aa3:1440:93a1,
2600:9000:2209:a400:16:1aa3:1440:93a1,
2600:9000:2209:ae00:16:1aa3:1440:93a1,
2600:9000:2209:9600:16:1aa3:1440:93a1,
2600:9000:2209:9a00:16:1aa3:1440:93a1,
2600:9000:2209:f600:16:1aa3:1440:93a1,
2600:9000:2209:9000:16:1aa3:1440:93a1
|
2 days, 10 hours ago |
www.terraform.io |
Wordlist Brute-force | Pending | — | — | — | Never |