`obru.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4ee^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:9a41^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.238^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.65^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mitchell.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitchell.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mitchell.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mitchell.ns.cloudflare.com`
		A	108.162.195.231^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitchell.ns.cloudflare.com`
		A	162.159.44.231^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitchell.ns.cloudflare.com`
		A	172.64.35.231^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitchell.ns.cloudflare.com`
NS	`paloma.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paloma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paloma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paloma.ns.cloudflare.com`
		A	108.162.194.168^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paloma.ns.cloudflare.com`
		A	162.159.38.168^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paloma.ns.cloudflare.com`
		A	172.64.34.168^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paloma.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.238, 172.67.154.65
		IPv6 hints	2606:4700:3031::6815:4ee, 2606:4700:3034::ac43:9a41
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`mitchell.ns.cloudflare.com`dns@cloudflare.com serial=2410461431

`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=2035149903

Same first word

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obru.org

obru.eu

obru.ch

obru.at

obru.com

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Similar names

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buro.moscow

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buro.com

buro.be

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buro.eu

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buro.vip

orbu.eu

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robu.org

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obur.cn

urbo.pro

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bour.org

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rubo.com.pl

ubor.co.uk

rubo.com.cn

DNS History

23 records (6 active, 17 former)

○NSdns1.iidns.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

○NSdns10.hichina.com2016-12-17 → 2016-12-17 · 4 obs

○ 2016-04-12 00:12:36
● 2016-12-17 00:47:30
○ 2018-07-29 03:46:20
○ 2026-08-06 22:44:10

○NSdns2.iidns.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

○NSdns3.iidns.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

○NSdns4.iidns.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

○NSdns5.iidns.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

○NSdns6.iidns.com2016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

○NSdns9.hichina.com2016-12-17 → 2016-12-17 · 4 obs

○ 2016-04-12 00:12:36
● 2016-12-17 00:47:30
○ 2018-07-29 03:46:20
○ 2026-08-06 22:44:10

●NSmitchell.ns.cloudflare.com2026-05-19 → 2026-08-06 · 3 obs

○ 2018-07-29 03:46:20
● 2026-05-19 22:00:54
● 2026-08-06 22:44:10

●NSpaloma.ns.cloudflare.com2026-05-19 → 2026-08-06 · 3 obs

○ 2018-07-29 03:46:20
● 2026-05-19 22:00:54
● 2026-08-06 22:44:10

●A104.21.4.2382026-05-19 → 2026-08-06 · 6 obs

○ 2016-12-17 00:47:30
● 2026-05-19 22:00:54
● 2026-06-13 20:56:44
○ 2026-06-29 08:20:20
● 2026-08-06 22:44:08
● 2026-08-06 22:44:10

○A123.108.110.782016-04-12 → 2016-04-12 · 3 obs

● 2016-04-12 00:12:36
○ 2016-12-17 00:47:30
○ 2026-08-06 22:44:10

●A172.67.154.652026-05-19 → 2026-08-06 · 6 obs

○ 2016-12-17 00:47:30
● 2026-05-19 22:00:54
● 2026-06-13 20:56:44
○ 2026-06-29 08:20:20
● 2026-08-06 22:44:08
● 2026-08-06 22:44:10

○A188.114.96.02026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-13 20:56:44
● 2026-06-29 08:20:20
○ 2026-08-06 22:44:08
○ 2026-08-06 22:44:10

○A188.114.97.02026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-13 20:56:44
● 2026-06-29 08:20:20
○ 2026-08-06 22:44:08
○ 2026-08-06 22:44:10

●A2606:4700:3031::6815:4ee2026-05-19 → 2026-08-06 · 6 obs

○ 2016-12-17 00:47:30
● 2026-05-19 22:00:54
● 2026-06-13 20:56:44
○ 2026-06-29 08:20:20
● 2026-08-06 22:44:08
● 2026-08-06 22:44:10

●A2606:4700:3034::ac43:9a412026-08-06 → 2026-08-06 · 3 obs

○ 2026-06-29 09:28:58
● 2026-08-06 22:44:08
● 2026-08-06 22:44:10

○A2606:4700:3037::ac43:9a412026-05-19 → 2026-06-13 · 5 obs

○ 2016-12-17 00:47:30
● 2026-05-19 22:00:54
● 2026-06-13 20:56:44
○ 2026-06-29 08:20:20
○ 2026-08-06 22:44:10

○A2a06:98c1:3120::2026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-29 08:20:20
● 2026-06-29 09:28:58
○ 2026-08-06 22:44:08
○ 2026-08-06 22:44:10

○A2a06:98c1:3120::42026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-13 20:56:44
● 2026-06-29 08:20:20
○ 2026-06-29 09:28:58
○ 2026-08-06 22:44:10

○A2a06:98c1:3121::2026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-29 08:20:20
● 2026-06-29 09:28:58
○ 2026-08-06 22:44:08
○ 2026-08-06 22:44:10

○A2a06:98c1:3121::42026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-13 20:56:44
● 2026-06-29 08:20:20
○ 2026-06-29 09:28:58
○ 2026-08-06 22:44:10

○CNAMEpk.22.cn2018-07-29 → 2018-07-29 · 3 obs

● 2018-07-29 03:46:20
○ 2021-04-23 03:17:48
○ 2026-08-06 22:44:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, d.dns.cn, e.dns.cn, b.dns.cn...	-
obru.cn	paloma.ns.cloudflare.com, mitchell.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.168

NS records: paloma.ns.cloudflare.com, mitchell.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for obru.cn (unsigned zone)

⏱️ Timing

Total: 1790ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.238, 172.67.154.65`
AAAA	2	`2606:4700:3031::6815:4ee, 2606:4700:3034::ac43:9a41`
NS	2	`mitchell.ns.cloudflare.com, paloma.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mitchell.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

obru.cn directs to four IP numbers, which are 104.21.4.238, 172.67.154.65, 2606:4700:3031::6815:4ee and 2606:4700:3034::ac43:9a41.

Among the host names that share IP numbers with obru.cn are 03213.com, networkintelligence.ai, blazeiq.ai and two others.

Name Servers

obru.cn is delegated to two name servers: mitchell.ns.cloudflare.com and paloma.ns.cloudflare.com.

obru.cn has the same name server delegation as a number of other domains, such as xiexiemama.com, onramp.cn, thomsen-associates.co and two more.

At least some of obru.cn's name servers are shared with other domains, for example 502294.cfd, smaro12919287392.shop, asiandaylight.com and two more.

It is common for these name servers to be used in conjunction with the name servers nelly.ns.cloudflare.com, kate.ns.cloudflare.com and alexandra.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

mitchell.ns.cloudflare.com resolves to 108.162.195.231, 162.159.44.231, 172.64.35.231 and 3 other IP addresses.

paloma.ns.cloudflare.com resolves to 108.162.194.168, 162.159.38.168, 172.64.34.168 and 3 other IP addresses.

obru.cn - robtex.com

obru.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`obru.cn`

`cn`