`ctobgyn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b8cc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4c09^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.9^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.204^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`diana.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2617^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c217^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`diana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2217^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`diana.ns.cloudflare.com`
		A	108.162.194.23^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diana.ns.cloudflare.com`
		A	162.159.38.23^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diana.ns.cloudflare.com`
		A	172.64.34.23^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diana.ns.cloudflare.com`
NS	`leif.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leif.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leif.ns.cloudflare.com`
		A	108.162.195.222^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	162.159.44.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	172.64.35.222^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
TXT	`google-site-verification=3Osci1mgsWuFsc4tumq15rlgMcT7QlWBYUhYXX3-aNg`
TXT	`google-site-verification=UpjSEhEJJPpG8YZzbcsMDYSHNP0mcHiWcSmeXV1Oim4`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.9, 172.67.184.204
		IPv6 hints	2606:4700:3035::ac43:b8cc, 2606:4700:3036::6815:4c09
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`diana.ns.cloudflare.com`dns@cloudflare.com serial=2409921344

`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=1784529182

Previously MX for

ctobgyn.com

Same first word

ctobgyn.com

DNS History

17 records (6 active, 11 former)

●NSdiana.ns.cloudflare.com2026-05-05 → 2026-07-20 · 3 obs

○ 2017-06-21 17:49:50
● 2026-05-05 13:58:06
● 2026-07-20 06:43:34

●NSleif.ns.cloudflare.com2026-05-05 → 2026-07-20 · 3 obs

○ 2017-06-21 17:49:50
● 2026-05-05 13:58:06
● 2026-07-20 06:43:34

○NSns1571.hostgator.com2015-07-16 → 2017-06-21 · 4 obs

● 2015-07-16 10:52:16
● 2017-06-21 17:49:50
○ 2026-05-05 13:58:06
○ 2026-07-20 06:43:34

○NSns1572.hostgator.com2015-07-16 → 2017-06-21 · 4 obs

● 2015-07-16 10:52:16
● 2017-06-21 17:49:50
○ 2026-05-05 13:58:06
○ 2026-07-20 06:43:34

○NSns8007.hostgator.com2015-07-16 → 2017-06-21 · 4 obs

● 2015-07-16 10:52:16
● 2017-06-21 17:49:50
○ 2026-05-05 13:58:06
○ 2026-07-20 06:43:34

○MXctobgyn.com2015-07-16 → 2017-06-21 · 4 obs

● 2015-07-16 10:52:16
● 2017-06-21 17:49:50
○ 2026-05-05 13:58:06
○ 2026-07-20 06:43:34

●A104.21.76.92026-05-05 → 2026-07-20 · 4 obs

○ 2017-06-21 17:49:50
● 2026-05-05 13:58:06
○ 2026-07-16 13:18:26
● 2026-07-20 06:43:34

●A172.67.184.2042026-05-05 → 2026-07-20 · 4 obs

○ 2017-06-21 17:49:50
● 2026-05-05 13:58:06
○ 2026-07-16 13:18:26
● 2026-07-20 06:43:34

○A188.114.96.02026-07-16 → 2026-07-16 · 3 obs

○ 2026-06-28 03:20:12
● 2026-07-16 13:18:26
○ 2026-07-20 06:43:34

○A188.114.97.02026-07-16 → 2026-07-16 · 3 obs

○ 2026-06-28 03:20:12
● 2026-07-16 13:18:26
○ 2026-07-20 06:43:34

○A192.185.16.2522015-07-16 → 2017-06-21 · 4 obs

● 2015-07-16 10:52:16
● 2017-06-21 17:49:50
○ 2026-05-05 13:58:06
○ 2026-07-20 06:43:34

○A2606:4700:3031::ac43:b8cc2026-05-05 → 2026-06-14 · 5 obs

○ 2017-06-21 17:49:50
● 2026-05-05 13:58:06
● 2026-06-14 11:45:42
○ 2026-06-28 03:20:12
○ 2026-07-20 06:43:34

●A2606:4700:3035::ac43:b8cc2026-06-28 → 2026-07-20 · 4 obs

○ 2026-06-14 11:45:42
● 2026-06-28 03:20:12
○ 2026-07-16 13:18:26
● 2026-07-20 06:43:34

●A2606:4700:3036::6815:4c092026-06-28 → 2026-07-20 · 4 obs

○ 2026-06-14 11:45:42
● 2026-06-28 03:20:12
○ 2026-07-16 13:18:26
● 2026-07-20 06:43:34

○A2606:4700:3037::6815:4c092026-05-05 → 2026-06-14 · 5 obs

○ 2017-06-21 17:49:50
● 2026-05-05 13:58:06
● 2026-06-14 11:45:42
○ 2026-06-28 03:20:12
○ 2026-07-20 06:43:34

○A2a06:98c1:3120::2026-07-16 → 2026-07-16 · 3 obs

○ 2026-06-28 03:20:12
● 2026-07-16 13:18:26
○ 2026-07-20 06:43:34

○A2a06:98c1:3121::2026-07-16 → 2026-07-16 · 3 obs

○ 2026-06-28 03:20:12
● 2026-07-16 13:18:26
○ 2026-07-20 06:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
ctobgyn.com	diana.ns.cloudflare.com, leif.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.23

NS records: diana.ns.cloudflare.com, leif.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctobgyn.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.76.9, 172.67.184.204`
AAAA	2	`2606:4700:3035::ac43:b8cc, 2606:4700:3036::6815:4c09`
NS	2	`diana.ns.cloudflare.com, leif.ns.cloudflare.com`
TXT	2	`google-site-verification=3Osci1mgsWuFsc4, google-site-verification=UpjSEhEJJPpG8YZ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`diana.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ctobgyn.com resolves to four IP addresses: 104.21.76.9, 172.67.184.204, 2606:4700:3035::ac43:b8cc and 2606:4700:3036::6815:4c09.

hubler.dev, allfour.shopsmithlake.com, www.shieldforce.uk plus two other host names have IP numbers in common with ctobgyn.com.

Name Servers

Two name servers handle the delegation for ctobgyn.com: diana.ns.cloudflare.com and leif.ns.cloudflare.com.

The name server configuration of ctobgyn.com is shared with other domains, for instance bbvaliz.com, ashleyajones.com, soapfactory.org and two others.

ctobgyn.com partially shares its NS delegation with several other domains, including tradecre.com, horrex.net, actbackground.property and two others.

In DNS configurations, these name servers often share authority with plato.ns.cloudflare.com, evelyn.ns.cloudflare.com, laura.ns.cloudflare.com and 3 other name servers.

Hosts with 6 IP addresses each:

diana.ns.cloudflare.com resolves to 108.162.194.23, 162.159.38.23 and 172.64.34.23 among others, with 3 other IP addresses in total.

leif.ns.cloudflare.com resolves to 108.162.195.222, 162.159.44.222 and 172.64.35.222 among others, with 3 other IP addresses in total.

ctobgyn.com - robtex.com

ctobgyn.com

com

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`ctobgyn.com`

`com`