`certfoundation.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3da9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d45e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.169^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.94^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ada.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c036^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ada.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2036^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ada.ns.cloudflare.com`
		A	108.162.192.54^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	172.64.32.54^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	173.245.58.54^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
MX	`_dc-mx.92494d53b9c4.certfoundation.com` ⭐
		A	132.148.144.223^{🇺🇸 AS398101132.148.128.0/19}
			PTR	`223.144.148.132.host.secureserver.net`
TXT	`v=spf1 +a +mx +ip4:132.148.144.223 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.61.169, 172.67.212.94
		IPv6	2606:4700:3032::6815:3da9, 2606:4700:3035::ac43:d45e
SOA	`ada.ns.cloudflare.com`dns@cloudflare.com serial=2396658823

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

certfoundation.com

DNS History

24 records (7 active, 17 former)

●NSada.ns.cloudflare.com2017-02-05 → 2026-03-12 · 3 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
● 2026-03-12 08:24:16

○NSns47.domaincontrol.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:00:50
○ 2015-11-06 03:32:50
○ 2026-03-12 08:24:16

○NSns48.domaincontrol.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:00:50
○ 2015-11-06 03:32:50
○ 2026-03-12 08:24:16

●NStom.ns.cloudflare.com2017-02-05 → 2026-03-12 · 3 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
● 2026-03-12 08:24:16

●MX_dc-mx.92494d53b9c4.certfoundation.com2026-02-24 → 2026-03-12 · 3 obs

○ 2019-03-23 21:16:20
● 2026-02-24 03:05:18
● 2026-03-12 08:24:16

○MXdc-76129fb4.certfoundation.com2017-02-05 → 2017-02-05 · 4 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
○ 2019-03-23 21:16:20
○ 2026-03-12 08:24:16

○MXdc-d33b7a0c7783.certfoundation.com2019-03-23 → 2019-03-23 · 4 obs

○ 2017-02-05 01:07:22
● 2019-03-23 21:16:20
○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○MXmailstore1.secureserver.net2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:00:50
○ 2015-11-06 03:32:50
○ 2026-03-12 08:24:16

○MXsmtp.secureserver.net2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:00:50
○ 2015-11-06 03:32:50
○ 2026-03-12 08:24:16

●A104.21.61.1692026-02-24 → 2026-03-12 · 3 obs

○ 2019-03-23 21:16:20
● 2026-02-24 03:05:18
● 2026-03-12 08:24:16

○A104.27.140.542017-02-05 → 2019-03-23 · 5 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
● 2019-03-23 21:16:20
○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○A104.27.141.542017-02-05 → 2019-03-23 · 5 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
● 2019-03-23 21:16:20
○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

●A172.67.212.942026-02-24 → 2026-03-12 · 3 obs

○ 2019-03-23 21:16:20
● 2026-02-24 03:05:18
● 2026-03-12 08:24:16

○A188.114.96.02026-02-24 → 2026-03-12 · 2 obs

○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○A188.114.97.02026-02-24 → 2026-03-12 · 2 obs

○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○A2400:cb00:2048:1::681b:8c362017-02-05 → 2017-02-05 · 4 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
○ 2019-03-23 21:16:20
○ 2026-03-12 08:24:16

○A2400:cb00:2048:1::681b:8d362017-02-05 → 2017-02-05 · 4 obs

○ 2015-11-06 03:32:50
● 2017-02-05 01:07:22
○ 2019-03-23 21:16:20
○ 2026-03-12 08:24:16

○A2606:4700:30::681b:8c362019-03-23 → 2019-03-23 · 4 obs

○ 2017-02-05 01:07:22
● 2019-03-23 21:16:20
○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○A2606:4700:30::681b:8d362019-03-23 → 2019-03-23 · 4 obs

○ 2017-02-05 01:07:22
● 2019-03-23 21:16:20
○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

●A2606:4700:3032::6815:3da92026-02-24 → 2026-03-12 · 3 obs

○ 2019-03-23 21:16:20
● 2026-02-24 03:05:18
● 2026-03-12 08:24:16

●A2606:4700:3035::ac43:d45e2026-02-24 → 2026-03-12 · 3 obs

○ 2019-03-23 21:16:20
● 2026-02-24 03:05:18
● 2026-03-12 08:24:16

○A2a06:98c1:3120::2026-02-24 → 2026-03-12 · 2 obs

○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○A2a06:98c1:3121::2026-02-24 → 2026-03-12 · 2 obs

○ 2026-02-24 03:05:18
○ 2026-03-12 08:24:16

○A68.178.232.1002008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:00:50
○ 2015-11-06 03:32:50
○ 2026-03-12 08:24:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
certfoundation.com	tom.ns.cloudflare.com, ada.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.147

NS records: tom.ns.cloudflare.com, ada.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certfoundation.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.169, 172.67.212.94`
AAAA	2	`2606:4700:3032::6815:3da9, 2606:4700:3035::ac43:d45e`
NS	2	`ada.ns.cloudflare.com, tom.ns.cloudflare.com`
MX	1	`_dc-mx.92494d53b9c4.certfoundation.com (`
TXT	1	`v=spf1 +a +mx +ip4:132.148.144.223 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ada.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (tom.ns.cloudflare.com, tom.ns.cloudflare.com, tom.ns.cloudflare.com...)

Analysis

IP Addresses

certfoundation.com points to four IP numbers: 2606:4700:3032::6815:3da9, 2606:4700:3035::ac43:d45e, 104.21.61.169 and 172.67.212.94.

For instance, other host names vunxz.com, ieu-iq.org, 899tw.com, www.wilmslowscorpions.co.uk and skidrowcrack.com share IP numbers with certfoundation.com.

Name Servers

certfoundation.com is delegated to two name servers: ada.ns.cloudflare.com and tom.ns.cloudflare.com.

certfoundation.com uses the same name server setup as other domains such as amuspro.com, tobar.co.uk, toyl.net, twitter-trending.com and ykchung.com.

certfoundation.com shares name servers with other domains at least partially, for example gartenpflanzende.com, partman.gr, lianqiankun.com, mynewroots.org and jote.be.

These name servers are commonly used with adelaide.ns.cloudflare.com, anna.ns.cloudflare.com and sean.ns.cloudflare.com.

Host names with six IP numbers: host name ada.ns.cloudflare.com points to: 2606:4700:50::adf5:3a36, 2803:f800:50::6ca2:c036, 2a06:98c1:50::ac40:2036, 108.162.192.54, 172.64.32.54 and 173.245.58.54; host name tom.ns.cloudflare.com points to: 2606:4700:58::adf5:3b93, 2803:f800:50::6ca2:c193, 2a06:98c1:50::ac40:2193, 108.162.193.147, 172.64.33.147 and 173.245.59.147.

Mail Servers

certfoundation.com is handled by a single mail server, _dc-mx.92494d53b9c4.certfoundation.com.

_dc-mx.92494d53b9c4.certfoundation.com points to a single IP: 132.148.144.223.

certfoundation.com - robtex.com