`ko77.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5012^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ad12^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.18^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.18^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chris.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c155^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2155^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chris.ns.cloudflare.com`
		A	108.162.193.85^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	172.64.33.85^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	173.245.59.85^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
NS	`tani.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tani.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tani.ns.cloudflare.com`
		A	108.162.192.224^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	172.64.32.224^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	173.245.58.224^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.80.18, 172.67.173.18
		IPv6	2606:4700:3033::6815:5012, 2606:4700:3037::ac43:ad12
SOA	`chris.ns.cloudflare.com`dns@cloudflare.com serial=2398450649

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034595486

Previously NS for

ko77.cn

Same first word

ko77.cn

ko77.de

Similar names

77ok.cn

77ok.net

ok77.de

7ok7.com

77ok.info

ok77.ru

ok77.cn

ok77.net

ok77.cz

ok77.info

77ko.com

DNS History

17 records (6 active, 11 former)

●NSchris.ns.cloudflare.com2026-02-23 → 2026-03-27 · 3 obs

○ 2017-04-21 04:23:26
● 2026-02-23 03:24:20
● 2026-03-27 19:39:30

○NSko77.cn2015-06-06 → 2016-07-18 · 4 obs

● 2015-06-06 08:32:46
● 2016-07-18 17:23:02
○ 2017-04-21 04:23:26
○ 2026-03-27 19:39:30

○NSns1.dnsdun.net2017-04-21 → 2017-04-21 · 4 obs

○ 2016-07-18 17:23:02
● 2017-04-21 04:23:26
○ 2026-02-23 03:24:20
○ 2026-03-27 19:39:30

○NSns2.dnsdun.com2017-04-21 → 2017-04-21 · 4 obs

○ 2016-07-18 17:23:02
● 2017-04-21 04:23:26
○ 2026-02-23 03:24:20
○ 2026-03-27 19:39:30

●NStani.ns.cloudflare.com2026-02-23 → 2026-03-27 · 3 obs

○ 2017-04-21 04:23:26
● 2026-02-23 03:24:20
● 2026-03-27 19:39:30

○A103.195.150.702016-03-25 → 2016-07-18 · 5 obs

○ 2015-12-30 10:17:18
● 2016-03-25 18:57:18
● 2016-07-18 17:23:02
○ 2017-04-21 04:23:26
○ 2026-03-27 19:39:30

●A104.21.80.182026-03-27 → 2026-03-27 · 3 obs

○ 2026-02-23 03:24:20
● 2026-03-27 19:39:28
● 2026-03-27 19:39:30

○A104.250.144.862015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 08:32:46
○ 2015-12-30 10:17:18
○ 2026-03-27 19:39:30

○A118.193.203.2242015-12-30 → 2015-12-30 · 4 obs

○ 2015-06-06 08:32:46
● 2015-12-30 10:17:18
○ 2016-03-25 18:57:18
○ 2026-03-27 19:39:30

○A137.175.39.2082017-04-21 → 2017-04-21 · 4 obs

○ 2016-07-18 17:23:02
● 2017-04-21 04:23:26
○ 2026-02-23 03:24:20
○ 2026-03-27 19:39:30

●A172.67.173.182026-03-27 → 2026-03-27 · 3 obs

○ 2026-02-23 03:24:20
● 2026-03-27 19:39:28
● 2026-03-27 19:39:30

○A188.114.96.02026-02-23 → 2026-02-23 · 4 obs

○ 2017-04-21 04:23:26
● 2026-02-23 03:24:20
○ 2026-03-27 19:39:28
○ 2026-03-27 19:39:30

○A188.114.97.02026-02-23 → 2026-02-23 · 4 obs

○ 2017-04-21 04:23:26
● 2026-02-23 03:24:20
○ 2026-03-27 19:39:28
○ 2026-03-27 19:39:30

●A2606:4700:3033::6815:50122026-03-27 → 2026-03-27 · 3 obs

○ 2026-02-23 03:24:20
● 2026-03-27 19:39:28
● 2026-03-27 19:39:30

●A2606:4700:3037::ac43:ad122026-03-27 → 2026-03-27 · 3 obs

○ 2026-02-23 03:24:20
● 2026-03-27 19:39:28
● 2026-03-27 19:39:30

○A2a06:98c1:3120::2026-02-23 → 2026-02-23 · 4 obs

○ 2017-04-21 04:23:26
● 2026-02-23 03:24:20
○ 2026-03-27 19:39:28
○ 2026-03-27 19:39:30

○A2a06:98c1:3121::2026-02-23 → 2026-02-23 · 4 obs

○ 2017-04-21 04:23:26
● 2026-02-23 03:24:20
○ 2026-03-27 19:39:28
○ 2026-03-27 19:39:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
ko77.cn	tani.ns.cloudflare.com, chris.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.224

NS records: tani.ns.cloudflare.com, chris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ko77.cn (unsigned zone)

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.18, 172.67.173.18`
AAAA	2	`2606:4700:3033::6815:5012, 2606:4700:3037::ac43:ad12`
NS	2	`chris.ns.cloudflare.com, tani.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chris.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

ko77.cn points to four IP numbers: 2606:4700:3033::6815:5012, 2606:4700:3037::ac43:ad12, 104.21.80.18 and 172.67.173.18.

Other host names including www.clikbing.com, bestcaring.com.cn, virtuelle-stadt.de, beachflamingo.com and waldosweb.net share IP numbers with ko77.cn.

Name Servers

ko77.cn's delegation uses two name servers, chris.ns.cloudflare.com and tani.ns.cloudflare.com.

ko77.cn shares the same name server setup as other domains, for example inspectr.com, eurosmm.com, smmbin.com, dhlfs.cn and icws.cn.

ko77.cn at least partially shares name servers with other domains, including conferencebrain.com, zimit.io, aldvapor.com, emeraldcraft.com.ar and 2107.top.

These name servers are often used together with graham.ns.cloudflare.com.

Host names with six IP numbers:

chris.ns.cloudflare.com points to: 2606:4700:58::adf5:3b55, 2803:f800:50::6ca2:c155, 2a06:98c1:50::ac40:2155, 108.162.193.85, 172.64.33.85 and 173.245.59.85.

tani.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae0, 2803:f800:50::6ca2:c0e0, 2a06:98c1:50::ac40:20e0, 108.162.192.224, 172.64.32.224 and 173.245.58.224.

ko77.cn - robtex.com

ko77.cn

cn

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`ko77.cn`

`cn`