21391.cn - robtex.com

21391.cn

DNSSEC⚠️ Not signed
NSgannon.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::a29f:2c3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgannon.ns.cloudflare.com
A2803:f800:50::6ca2:c33b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgannon.ns.cloudflare.com
A2a06:98c1:50::ac40:233b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgannon.ns.cloudflare.com
A108.162.195.59🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgannon.ns.cloudflare.com
A162.159.44.59Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgannon.ns.cloudflare.com
A172.64.35.59🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgannon.ns.cloudflare.com
NSursula.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::a29f:26bf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A2803:f800:50::6ca2:c2bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRursula.ns.cloudflare.com
A2a06:98c1:50::ac40:22bf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRursula.ns.cloudflare.com
A108.162.194.191🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.191Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.191🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035057799

Same first word

21391.com
21391.cn

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39211.com
19312.com
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12193.com
21139.us
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91213.cn
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11932.com
12391.us
19321.com
23911.de
91213.com
12319.vip
11923.top
12391.cc
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19312.cn
11923.cn
29131.us
13912.com
11392.cc
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91321.com
29131.cn
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93112.cn
13192.com
11239.us
23191.us
11293.cn
31192.com
32119.cc
12913.com
21319.com
11392.net
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21913.cn

DNS History

17 records (2 active, 15 former)

20162017201820192020202120222023202420252026NSgannon.ns.cloudflare.comursula.ns.cloudflare.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comns1.dns.comA198.148.92.157198.148.92.158198.148.92.48198.148.92.49198.148.92.50198.148.92.54198.148.92.58CNAMEfw.ename.net
○NSdns1.iidns.com2015-08-20 → 2016-04-13 · 4 obs
● 2015-08-20 15:29:04
● 2016-04-13 19:05:14
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○NSdns2.iidns.com2015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○NSdns3.iidns.com2015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○NSdns4.iidns.com2015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○NSdns5.iidns.com2015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○NSdns6.iidns.com2015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
●NSgannon.ns.cloudflare.com2026-07-06 → 2026-07-18 · 3 obs
○ 2017-05-26 17:50:10
● 2026-07-06 11:55:20
● 2026-07-18 22:37:58
○NSns1.dns.com2017-05-26 → 2017-05-26 · 4 obs
○ 2016-04-13 19:05:14
● 2017-05-26 17:50:10
○ 2026-07-06 11:55:20
○ 2026-07-18 22:37:58
●NSursula.ns.cloudflare.com2026-07-06 → 2026-07-18 · 3 obs
○ 2017-05-26 17:50:10
● 2026-07-06 11:55:20
● 2026-07-18 22:37:58
○A198.148.92.1572015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2016-04-13 19:05:14
○ 2026-07-18 22:37:58
○A198.148.92.1582015-08-20 → 2016-01-17 · 4 obs
● 2015-08-20 15:29:04
● 2016-01-17 00:24:28
○ 2016-04-13 19:05:14
○ 2026-07-18 22:37:58
○A198.148.92.482015-08-20 → 2015-08-20 · 3 obs
● 2015-08-20 15:29:04
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○A198.148.92.492015-08-20 → 2016-04-13 · 4 obs
● 2015-08-20 15:29:04
● 2016-04-13 19:05:14
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○A198.148.92.502016-04-13 → 2016-04-13 · 4 obs
○ 2016-01-17 00:24:28
● 2016-04-13 19:05:14
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58
○A198.148.92.542016-01-06 → 2016-01-17 · 5 obs
○ 2015-08-20 15:29:04
● 2016-01-06 18:04:48
● 2016-01-17 00:24:28
○ 2016-04-13 19:05:14
○ 2026-07-18 22:37:58
○A198.148.92.582016-01-06 → 2016-01-17 · 5 obs
○ 2015-08-20 15:29:04
● 2016-01-06 18:04:48
● 2016-01-17 00:24:28
○ 2016-04-13 19:05:14
○ 2026-07-18 22:37:58
○CNAMEfw.ename.net2015-08-20 → 2016-04-13 · 8 obs
● 2015-08-20 15:29:04
○ 2015-10-29 05:01:32
● 2016-01-06 18:04:48
○ 2016-01-15 16:44:56
● 2016-01-17 00:24:28
● 2016-04-13 19:05:14
○ 2017-05-26 17:50:10
○ 2026-07-18 22:37:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...-
21391.cngannon.ns.cloudflare.com, ursula.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.59

NS records: gannon.ns.cloudflare.com, ursula.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21391.cn (unsigned zone)

⏱️ Timing

Total: 618ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

21391.cn has two authoritative name servers — gannon.ns.cloudflare.com and ursula.ns.cloudflare.com.

21391.cn shares its name server setup with other domains, including 882066.com, 63102.cn, 19684.cn and two others.

There is at least partial name server overlap between 21391.cn and other domains — cpm-steuerberater.de, szhuahaige.com, altitudeaerials.com and two more among them.

The name servers holly.ns.cloudflare.com, randy.ns.cloudflare.com and doug.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

gannon.ns.cloudflare.com points to 108.162.195.59, 162.159.44.59, 172.64.35.59 and 3 other IP addresses.

ursula.ns.cloudflare.com points to 108.162.194.191, 162.159.38.191, 172.64.34.191 and 3 other IP addresses.