`certifai.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3329^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dcb5^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.41^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.181^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dax.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c385^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dax.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2385^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dax.ns.cloudflare.com`
		A	108.162.195.133^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	162.159.44.133^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	172.64.35.133^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
NS	`michelle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`michelle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`michelle.ns.cloudflare.com`
		A	108.162.192.201^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	172.64.32.201^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	173.245.58.201^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷³⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.41, 172.67.220.181
		IPv6 hints	2606:4700:3034::6815:3329, 2606:4700:3035::ac43:dcb5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOA	`dax.ns.cloudflare.com`dns@cloudflare.com serial=2410417776

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

certifai.ai

certifai.io

certifai.com

certifai.dev

Similar names

DNS History

26 records (9 active, 17 former)

○NSburt.ns.cloudflare.com2020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

●NSdax.ns.cloudflare.com2026-06-11 → 2026-08-11 · 3 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-08-11 05:29:12

○NSlinda.ns.cloudflare.com2020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

●NSmichelle.ns.cloudflare.com2026-06-11 → 2026-08-11 · 3 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-08-11 05:29:12

○MXdc-cbac25f35443.certifai.dev2020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

●MXroute1.mx.cloudflare.net2026-06-11 → 2026-08-11 · 3 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-08-11 05:29:12

●MXroute2.mx.cloudflare.net2026-06-11 → 2026-08-11 · 3 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-08-11 05:29:12

●MXroute3.mx.cloudflare.net2026-06-11 → 2026-08-11 · 3 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-08-11 05:29:12

●A104.21.51.412026-06-11 → 2026-08-11 · 7 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-06-16 20:45:52
○ 2026-06-19 18:06:14
● 2026-06-19 18:48:44
○ 2026-08-10 21:30:56
● 2026-08-11 05:29:12

○A104.24.116.2222020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

○A104.24.117.2222020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

●A172.67.220.1812026-06-11 → 2026-08-11 · 7 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-06-16 20:45:52
○ 2026-06-19 18:06:14
● 2026-06-19 18:48:44
○ 2026-08-10 21:30:56
● 2026-08-11 05:29:12

○A188.114.96.02026-08-10 → 2026-08-11 · 5 obs

○ 2026-07-11 03:49:58
● 2026-08-10 21:30:56
○ 2026-08-11 02:17:44
● 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A188.114.96.42026-06-19 → 2026-08-11 · 6 obs

○ 2026-06-16 20:45:52
● 2026-06-19 18:06:14
○ 2026-06-19 18:48:44
● 2026-08-11 02:17:44
○ 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A188.114.97.02026-08-10 → 2026-08-11 · 5 obs

○ 2026-07-11 03:49:58
● 2026-08-10 21:30:56
○ 2026-08-11 02:17:44
● 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A188.114.97.42026-06-19 → 2026-08-11 · 6 obs

○ 2026-06-16 20:45:52
● 2026-06-19 18:06:14
○ 2026-06-19 18:48:44
● 2026-08-11 02:17:44
○ 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A2606:4700:3030::6818:74de2020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

○A2606:4700:3031::6818:75de2020-03-13 → 2020-03-13 · 3 obs

● 2020-03-13 00:56:34
○ 2026-06-11 08:28:10
○ 2026-08-11 05:29:12

○A2606:4700:3032::ac43:dcb52026-06-11 → 2026-06-19 · 7 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-06-16 20:45:52
○ 2026-06-19 18:06:14
● 2026-06-19 18:48:44
○ 2026-07-11 03:49:58
○ 2026-08-11 05:29:12

○A2606:4700:3033::6815:33292026-06-11 → 2026-06-19 · 7 obs

○ 2020-03-13 00:56:34
● 2026-06-11 08:28:10
● 2026-06-16 20:45:52
○ 2026-06-19 18:06:14
● 2026-06-19 18:48:44
○ 2026-07-11 03:49:58
○ 2026-08-11 05:29:12

●A2606:4700:3034::6815:33292026-07-11 → 2026-08-11 · 4 obs

○ 2026-06-19 18:48:44
● 2026-07-11 03:49:58
○ 2026-08-10 21:30:56
● 2026-08-11 05:29:12

●A2606:4700:3035::ac43:dcb52026-07-11 → 2026-08-11 · 4 obs

○ 2026-06-19 18:48:44
● 2026-07-11 03:49:58
○ 2026-08-10 21:30:56
● 2026-08-11 05:29:12

○A2a06:98c1:3120::2026-08-11 → 2026-08-11 · 3 obs

○ 2026-08-11 02:17:44
● 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A2a06:98c1:3120::42026-06-19 → 2026-08-10 · 6 obs

○ 2026-06-16 20:45:52
● 2026-06-19 18:06:14
○ 2026-06-19 18:48:44
● 2026-08-10 21:30:56
○ 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A2a06:98c1:3121::2026-08-11 → 2026-08-11 · 3 obs

○ 2026-08-11 02:17:44
● 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

○A2a06:98c1:3121::42026-06-19 → 2026-08-10 · 6 obs

○ 2026-06-16 20:45:52
● 2026-06-19 18:06:14
○ 2026-06-19 18:48:44
● 2026-08-10 21:30:56
○ 2026-08-11 02:50:22
○ 2026-08-11 05:29:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
certifai.dev	dax.ns.cloudflare.com, michelle.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.201

NS records: dax.ns.cloudflare.com, michelle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certifai.dev (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.41, 172.67.220.181`
AAAA	2	`2606:4700:3035::ac43:dcb5, 2606:4700:3034::6815:3329`
NS	2	`dax.ns.cloudflare.com, michelle.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 43), route1.mx.cloudflare.net (pri: 67)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dax.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

certifai.dev resolves to four IP addresses: 104.21.51.41, 172.67.220.181, 2606:4700:3034::6815:3329 and 2606:4700:3035::ac43:dcb5.

Additional host names — dorothygrostern.com, cetakkartu.com, gelibolusehitlikturu.com and two others — share IP numbers with certifai.dev.

Name Servers

Two name servers handle the delegation for certifai.dev: dax.ns.cloudflare.com and michelle.ns.cloudflare.com.

certifai.dev shares its name server setup with other domains, including bolderappssoftware.info, tracescript.net, changenow.pt and two others.

certifai.dev has at least partial name server overlap with other domains, such as happy.engineering, oktaka.net, verenindustries.com and two others.

It is common to see these name servers used together with name servers indie.ns.cloudflare.com and aryanna.ns.cloudflare.com.

Host names with 6 IP numbers:

dax.ns.cloudflare.com resolves to 108.162.195.133, 162.159.44.133 and 172.64.35.133 among others, with 3 other IP addresses in total.

michelle.ns.cloudflare.com resolves to 108.162.192.201, 172.64.32.201 and 173.245.58.201 among others, with 3 other IP addresses in total.

Mail Servers

certifai.dev has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

certifai.dev shares mail servers — at least in part — with other domains, including foto-maton.com, nmpd.us, ecardsdesign.com and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

certifai.dev - robtex.com

certifai.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`certifai.dev`

`dev`