`cob.ac`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:41ce^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c038^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.206^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.56^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sloan.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2634^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c234^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sloan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2234^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sloan.ns.cloudflare.com`
		A	108.162.194.52^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	162.159.38.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	172.64.34.52^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
NS	`trey.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trey.ns.cloudflare.com`
		A	108.162.193.242^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	172.64.33.242^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	173.245.59.242^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.206, 172.67.192.56
		IPv6 hints	2606:4700:3031::6815:41ce, 2606:4700:3036::ac43:c038
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`sloan.ns.cloudflare.com`dns@cloudflare.com serial=2411403997

`ac`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.ac` ⭐
	NS	`a2.nic.ac`
	NS	`b0.nic.ac`
	NS	`c0.nic.ac`
	SOA	`a0.nic.ac`hostmaster@donuts.email serial=1785977691

rank #542271 globally
rank #65 in the tld

Same first word

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Similar names

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ocb.radio

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boc.web.id

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obc.church

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boc.photo

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ocb.bank

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DNS History

6 records (6 active, 0 former)

●NSsloan.ns.cloudflare.com2026-08-04 → 2026-08-06 · 2 obs

● 2026-08-04 19:00:20
● 2026-08-06 01:01:22

●NStrey.ns.cloudflare.com2026-08-04 → 2026-08-06 · 2 obs

● 2026-08-04 19:00:20
● 2026-08-06 01:01:22

●A104.21.65.2062026-08-04 → 2026-08-06 · 2 obs

● 2026-08-04 19:00:20
● 2026-08-06 01:01:22

●A172.67.192.562026-08-04 → 2026-08-06 · 2 obs

● 2026-08-04 19:00:20
● 2026-08-06 01:01:22

●A2606:4700:3031::6815:41ce2026-08-04 → 2026-08-06 · 2 obs

● 2026-08-04 19:00:20
● 2026-08-06 01:01:22

●A2606:4700:3036::ac43:c0382026-08-04 → 2026-08-06 · 2 obs

● 2026-08-04 19:00:20
● 2026-08-06 01:01:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ac	a0.nic.ac, c0.nic.ac, b0.nic.ac, a2.nic.ac	8 records
cob.ac	sloan.ns.cloudflare.com, trey.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.52

NS records: sloan.ns.cloudflare.com, trey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cob.ac (unsigned zone)

⏱️ Timing

Total: 786ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.206, 172.67.192.56`
AAAA	2	`2606:4700:3036::ac43:c038, 2606:4700:3031::6815:41ce`
NS	2	`sloan.ns.cloudflare.com, trey.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sloan.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (c0.nic.ac, b0.nic.ac, a2.nic.ac...)

Analysis

IP Addresses

cob.ac resolves to four IP addresses: 104.21.65.206, 172.67.192.56, 2606:4700:3031::6815:41ce and 2606:4700:3036::ac43:c038.

Two other host names, along with letsvdo.com, lighthousesingers.com and 11pg2.com, also share IP numbers with cob.ac.

Name Servers

cob.ac has two authoritative name servers — sloan.ns.cloudflare.com and trey.ns.cloudflare.com.

cob.ac shares its NS records with other domains, for example tectumtv.nl, alo8.studio, forwardmarketing.io and two others.

cob.ac partially shares its NS delegation with several other domains, including funs77.com, szdingzhishouji.com, lakecountyca.gov and two others.

These name servers are regularly seen alongside mike.ns.cloudflare.com and alaric.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

sloan.ns.cloudflare.com points to 108.162.194.52, 162.159.38.52, 172.64.34.52 and 3 other IP addresses.

trey.ns.cloudflare.com points to 108.162.193.242, 172.64.33.242, 173.245.59.242 and 3 other IP addresses.

cob.ac - robtex.com

cob.ac

ac

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`cob.ac`

`ac`