cloudflare-dns.com — updown.website

Response Time & Availability (24h)

SSL / TLS Certificate

253

days left

Valid

Dec 31, 2025 Dec 21, 2026

Issued → Expires

Subject	`countryName=US, stateOrProvinceName=California, localityName=San Francisco, organizationName=Cloudflare, Inc., commonName=cloudflare-dns.com`
Issuer	countryName=US, stateOrProvinceName=Texas, localityName=Houston, organizationName=SSL Corp, commonName=SSL.com SSL Intermediate CA ECC R2
Valid From	2025-12-31 19:20
Expires	2026-12-21 19:20
Serial Number	`4ED03304C46B87A8C2EB5569DB9EBA0C`
SHA-256 Fingerprint	`e3:b0:28:26:78:9d:65:3d:22:4d:3e:da:cb:e4:e8:77:cb:72:86:fc:4c:92:26:72:f6:22:67:41:ca:57:ad:65`
Subject Alt Names	cloudflare-dns.com *.cloudflare-dns.com one.one.one.one
Last Checked	2026-04-11 22:51:24

Latest HTTP Response Details

Final URL	`https://one.one.one.one/dns/`
Status Code	200
Response Time	75 ms
Content Size	224 KB (224.0 KB)
Content Type	`text/html; charset=utf-8`
Server	cloudflare

TLS Version	TLSv1.3
TLS Cipher	`TLS_AES_256_GCM_SHA384`
Redirects	1
`https://cloudflare-dns.com/`
Checked	2026-04-11 22:51:24

Security Headers 4/6

Header	Status	Value
`Strict-Transport-Security`	Missing	—
`Content-Security-Policy`	Present	default-src 'none'; script-src 'self' 'sha256-qcMXZ/ErgDG9p2Htysz9era6iflv8JXya41zOY0slSc=' 'sha256-ydM8qJ+T0Nd7adK8t34/cs0GvvCG0JBujCWzV3uML8E=' 'sha256-TzTXRDJBcbY1qVQheGb/4iSGqKPqCg6XVoerYf5BYMY=' embed.cloudflarestream.com; style-src 'self' 'unsafe-inline' fonts.googleapis.com; img-src 'self' data:; font-src fonts.gstatic.com; connect-src 'self' 1.1.1.1 1.0.0.1 .cloudflare-dns.com .help.every1dns.net; frame-src embed.cloudflarestream.com; manifest-src 'self'
`X-Frame-Options`	Present	DENY
`X-Content-Type-Options`	Present	nosniff
`Referrer-Policy`	Present	strict-origin-when-cross-origin
`Permissions-Policy`	Missing	—

DNS Intelligence (24h)

Avg Resolution

4.3 ms

Min / Max

3.7 / 5.0 ms

Record Types

6

Lookups (24h)

18

DNS Records

A

104.16.248.249 104.16.249.249

165s 5.0ms

AAAA

2606:4700::6810:f8f9 2606:4700::6810:f9f9

71s 5.0ms

NS

ns1.cloudflare-dns.com ns2.cloudflare-dns.com ns3.cloudflare-dns.com

86400s 4.1ms

TXT

TXT Record (1)

_qcb2kua83xsbkw2dbu18g8y0cjorncf

300s 7.0ms

SOA

Primary NS

ns1.cloudflare-dns.com

Admin

dns@cloudflare.com

Serial: 2400844828 Refresh: 2h Retry: 40m Expire: 7d Min TTL: 30m

1800s 4.6ms

CAA

Flag	Tag	Value
0	iodef	`mailto:tls-abuse@cloudflare.com`
0	issue	`comodoca.com`
0	issue	`digicert.com; cansignhttpexchanges=yes`
0	issue	`letsencrypt.org`
0	issue	`pki.goog; cansignhttpexchanges=yes`
0	issue	`ssl.com`
0	issuewild	`comodoca.com`
0	issuewild	`digicert.com; cansignhttpexchanges=yes`
0	issuewild	`letsencrypt.org`
0	issuewild	`pki.goog; cansignhttpexchanges=yes`
0	issuewild	`ssl.com`

300s 4.9ms

Email Security Posture

MX Records

SPF

DMARC

BIMI

MTA-STS

Weak

Overall

DNS Propagation Consistent

Resolver	IPs Returned	Response Time
Quad9	`104.16.248.249` `104.16.249.249`	2.82ms
Google	`104.16.248.249` `104.16.249.249`	16.73ms
AdGuard	`104.16.248.249` `104.16.249.249`	10.51ms
OpenDNS	`104.16.248.249` `104.16.249.249`	2.62ms
Cloudflare	`104.16.248.249` `104.16.249.249`	3.33ms

WHOIS / Domain Registration

Registrar

Cloudflare, Inc.

Registrant Organization

DATA REDACTED

Created

2018-03-27

Updated

2023-03-28

Expires

2033-03-27

Name Servers (WHOIS)

ns1.cloudflare-dns.com ns2.cloudflare-dns.com ns3.cloudflare-dns.com

Domain Status

clientDeleteProhibited clientTransferProhibited clientUpdateProhibited serverDeleteProhibited serverTransferProhibited serverUpdateProhibited

DNSSEC

Enabled

Country

US

WHOIS Last Checked

2026-04-11 22:51

Resolution Time (A/AAAA recent)

20:29 22:51

Time	Type	Values	TTL	Resolution	Nameserver
22:51:23	CAA	`0 iodef "mailto:tls-abuse@cloudflare.com"` `0 issue "comodoca.com"` `0 issue "digicert.com; cansignhttpexchanges=yes"` `0 issue "letsencrypt.org"` `0 issue "pki.goog; cansignhttpexchanges=yes"` `0 issue "ssl.com"` `0 issuewild "comodoca.com"` `0 issuewild "digicert.com; cansignhttpexchanges=yes"` `0 issuewild "letsencrypt.org"` `0 issuewild "pki.goog; cansignhttpexchanges=yes"` `0 issuewild "ssl.com"`	300s	4.9 ms	`10.89.0.1`
22:51:23	SOA	`ns1.cloudflare-dns.com dns.cloudflare.com 2400844828 10000 2400 604800 1800`	1800s	4.6 ms	`10.89.0.1`
22:51:23	TXT	`_qcb2kua83xsbkw2dbu18g8y0cjorncf`	300s	7.0 ms	`10.89.0.1`
22:51:23	NS	`ns1.cloudflare-dns.com` `ns2.cloudflare-dns.com` `ns3.cloudflare-dns.com`	86400s	4.1 ms	`10.89.0.1`
22:51:23	AAAA	`2606:4700::6810:f8f9` `2606:4700::6810:f9f9`	71s	5.0 ms	`10.89.0.1`
22:51:23	A	`104.16.248.249` `104.16.249.249`	165s	5.0 ms	`10.89.0.1`
21:37:18	CAA	`0 iodef "mailto:tls-abuse@cloudflare.com"` `0 issue "comodoca.com"` `0 issue "digicert.com; cansignhttpexchanges=yes"` `0 issue "letsencrypt.org"` `0 issue "pki.goog; cansignhttpexchanges=yes"` `0 issue "ssl.com"` `0 issuewild "comodoca.com"` `0 issuewild "digicert.com; cansignhttpexchanges=yes"` `0 issuewild "letsencrypt.org"` `0 issuewild "pki.goog; cansignhttpexchanges=yes"` `0 issuewild "ssl.com"`	300s	7.2 ms	`10.89.0.1`
21:37:18	SOA	`ns1.cloudflare-dns.com dns.cloudflare.com 2400844828 10000 2400 604800 1800`	1800s	4.7 ms	`10.89.0.1`
21:37:18	TXT	`_qcb2kua83xsbkw2dbu18g8y0cjorncf`	300s	5.6 ms	`10.89.0.1`
21:37:18	NS	`ns2.cloudflare-dns.com` `ns3.cloudflare-dns.com` `ns1.cloudflare-dns.com`	3037s	1.2 ms	`10.89.0.1`
21:37:18	AAAA	`2606:4700::6810:f8f9` `2606:4700::6810:f9f9`	13s	4.1 ms	`10.89.0.1`
21:37:18	A	`104.16.248.249` `104.16.249.249`	33s	4.1 ms	`10.89.0.1`
20:29:02	CAA	`0 iodef "mailto:tls-abuse@cloudflare.com"` `0 issue "comodoca.com"` `0 issue "digicert.com; cansignhttpexchanges=yes"` `0 issue "letsencrypt.org"` `0 issue "pki.goog; cansignhttpexchanges=yes"` `0 issue "ssl.com"` `0 issuewild "comodoca.com"` `0 issuewild "digicert.com; cansignhttpexchanges=yes"` `0 issuewild "letsencrypt.org"` `0 issuewild "pki.goog; cansignhttpexchanges=yes"` `0 issuewild "ssl.com"`	300s	7.1 ms	`10.89.0.1`
20:29:02	SOA	`ns1.cloudflare-dns.com dns.cloudflare.com 2400844828 10000 2400 604800 1800`	1800s	6.4 ms	`10.89.0.1`
20:29:02	TXT	`_qcb2kua83xsbkw2dbu18g8y0cjorncf`	300s	5.8 ms	`10.89.0.1`
20:29:02	NS	`ns1.cloudflare-dns.com` `ns2.cloudflare-dns.com` `ns3.cloudflare-dns.com`	81215s	2.9 ms	`10.89.0.1`
20:29:02	AAAA	`2606:4700::6810:f9f9` `2606:4700::6810:f8f9`	19s	3.7 ms	`10.89.0.1`
20:29:02	A	`104.16.248.249` `104.16.249.249`	165s	4.1 ms	`10.89.0.1`

Open Ports 12

Open Ports

12

IPs Scanned

12

Port	Protocol	Service	IP Address	Status	Latency	Banner
`80`	TCP	http	`2606:4700::6810:f9f9`	Open	5.1 ms	—
`80`	TCP	http	`104.16.248.249`	Open	2.4 ms	—
`80`	TCP	http	`2606:4700::6810:f8f9`	Open	2.8 ms	—
`443`	TCP	https	`104.16.248.249`	Open	2.3 ms	—
`443`	TCP	https	`2606:4700::6810:f8f9`	Open	1.8 ms	—
`443`	TCP	https	`2606:4700::6810:f9f9`	Open	4.7 ms	—
`8080`	TCP	http-alt	`2606:4700::6810:f9f9`	Open	25.7 ms	—
`8080`	TCP	http-alt	`104.16.248.249`	Open	3.1 ms	—
`8080`	TCP	http-alt	`2606:4700::6810:f8f9`	Open	2.2 ms	—
`8443`	TCP	https-alt	`104.16.248.249`	Open	3.8 ms	—
`8443`	TCP	https-alt	`2606:4700::6810:f9f9`	Open	3.9 ms	—
`8443`	TCP	https-alt	`2606:4700::6810:f8f9`	Open	2.8 ms	—

Lighthouse Report

25 minutes ago

Mobile viewport

58

Performance

80

Accessibility

100

Best Practices

100

SEO

● 90–100 Good ● 50–89 Needs Work ● 0–49 Poor

Core Web Vitals: Failed

LCP

6839 ms

Poor

TBT

293 ms

Needs Work

CLS

0.000

Good

FCP

4473 ms

Poor

SI

5113 ms

Needs Work

TTFB

23 ms

Good

Score	Audit	Category
0	Max Potential First Input Delay 1,300 ms	performance
0	Avoid multiple page redirects Est savings of 820 ms	performance
0	Minimize main-thread work 3.9 s	performance
0	Preconnect to required origins Est savings of 310 ms	performance
0	Largest Contentful Paint element 6,840 ms	performance
0	Background and foreground colors do not have a sufficient contrast ratio.	accessibility
0	Links do not have a discernible name	accessibility
0	`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.	accessibility
0	Some elements have a `[tabindex]` value greater than 0	accessibility
0	Eliminate render-blocking resources Est savings of 1,450 ms	performance
0	Reduce unused JavaScript Est savings of 25 KiB	performance
0	Serve images in next-gen formats Est savings of 59 KiB	performance
0	Avoid an excessive DOM size 1,089 elements	performance
0	Use efficient cache lifetimes Est savings of 410 KiB	performance
0	Document request latency Est savings of 40 ms	performance
0	Font display Est savings of 40 ms	performance
0	Forced reflow	performance
0	LCP request discovery	performance
0	Network dependency tree	performance
0	Render blocking requests Est savings of 1,600 ms	performance
7	Largest Contentful Paint 6.8 s	performance
15	First Contentful Paint 4.5 s	performance
50	Ensure text remains visible during webfont load	performance
50	Preload Largest Contentful Paint image	performance
50	Serve static assets with an efficient cache policy 9 resources found	performance
54	Time to Interactive 6.9 s	performance
61	Speed Index 5.1 s	performance
79	Total Blocking Time 290 ms	performance

Desktop screenshot of cloudflare-dns.com

Desktop viewport

95

Performance

80

Accessibility

100

Best Practices

100

SEO

● 90–100 Good ● 50–89 Needs Work ● 0–49 Poor

Core Web Vitals: Passed

LCP

1175 ms

Good

TBT

0 ms

Good

CLS

0.001

Good

FCP

1134 ms

Good

SI

1181 ms

Good

TTFB

36 ms

Good

Score	Audit	Category
0	Avoid multiple page redirects Est savings of 280 ms	performance
0	Background and foreground colors do not have a sufficient contrast ratio.	accessibility
0	`<frame>` or `<iframe>` elements do not have a title	accessibility
0	Links do not have a discernible name	accessibility
0	`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.	accessibility
0	Some elements have a `[tabindex]` value greater than 0	accessibility
0	Eliminate render-blocking resources Est savings of 400 ms	performance
0	Serve images in next-gen formats Est savings of 85 KiB	performance
0	Document request latency Est savings of 40 ms	performance
0	Font display Est savings of 30 ms	performance
0	LCP request discovery	performance
0	Network dependency tree	performance
0	Render blocking requests Est savings of 400 ms	performance
50	Ensure text remains visible during webfont load	performance
50	Preload Largest Contentful Paint image	performance
50	Serve static assets with an efficient cache policy 9 resources found	performance
50	Reduce unused JavaScript Est savings of 25 KiB	performance
50	Avoid an excessive DOM size 1,089 elements	performance
50	Use efficient cache lifetimes Est savings of 410 KiB	performance
79	First Contentful Paint 1.1 s	performance

Technology Stack 10 detected

HTTP/2

HTTP/3 (QUIC)

10

Technologies

CDN 1

Cloudflare

90%

CF-Ray header present

CMS 1

1.1.1.1

95%

Meta generator tag

Protocol 1

HTTP/3 (QUIC)

90%

Alt-Svc h3 advertised

Security 4

CSP v4

90%

Content-Security-Policy present

Referrer-Policy

90%

Referrer-Policy present

X-Content-Type-Options

90%

nosniff header

X-Frame-Options

90%

Security header present

Service 1

Google Fonts

70%

Google Fonts CSS

Social 2

Open Graph

70%

Open Graph meta tags

Twitter Cards

70%

Twitter Card meta

Active IP Addresses

IP Address	Version	Reverse DNS	CIDR	Country	City	ASN	First Seen	Last DNS	Hits	Uptime %	Avg Latency
`2606:4700::6810:f8f9`	IPv6	—	`2606:4700::/48`	—	—	AS13335 Cloudflare, Inc.	2026-04-11 20:29	2026-04-11 22:51	3	100.0%	2.8 ms
`2606:4700::6810:f9f9`	IPv6	—	`2606:4700::/48`	—	—	AS13335 Cloudflare, Inc.	2026-04-11 20:29	2026-04-11 22:51	3	100.0%	2.4 ms
`104.16.248.249`	IPv4	—	`104.16.248.0/24`	—	—	AS13335 Cloudflare, Inc.	2026-04-11 20:29	2026-04-11 22:51	3	100.0%	4.3 ms
`104.16.249.249`	IPv4	—	`104.16.249.0/24`	—	—	AS13335 Cloudflare, Inc.	2026-04-11 20:29	2026-04-11 22:51	3	100.0%	3.9 ms

Discovered Sub-domains 6

Wordlist Brute-force 6

1. dns.cloudflare-dns.com

2. ns1.cloudflare-dns.com

3. ns2.cloudflare-dns.com

4. ns3.cloudflare-dns.com

5. staging.cloudflare-dns.com

6. test.cloudflare-dns.com

Recent HTTP Checks (24 h)

Total Checks

3

Success Rate

100%

Avg Response

78 ms

Min / Max

74 / 85 ms

Recent Checks

20:29 22:51

Time	Status	Code	Response	Agent	Error
22:51:24	UP	200	75 ms	prod-local	—
21:37:24	UP	200	85 ms	prod-local	—
20:29:02	UP	200	74 ms	prod-local	—

Incident History

No incidents recorded — all clear!