21nk.com - robtex.com

21nk.com

DNSSEC⚠️ Not signed
A81.19.154.98🇦🇹 IONOS-AS81.19.144.0/20 World4You.com
PTRredirect01.world4you.com
NSns1.world4you.at ⭐
A2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1.world4you.at
A185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1.world4you.at
NSns2.world4you.at
A2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns2.world4you.at
A217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns2.world4you.at
MXsmtp.google.com ⭐
A2607:f8b0:4004:c0b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f26.1e100.net
A2607:f8b0:4004:c17::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f26.1e100.net
A2607:f8b0:4004:c19::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f26.1e100.net
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
A142.251.16.27🇺🇸 Google142.251.16.0/24
PTRbl-in-f27.1e100.net
A142.251.111.26🇺🇸 Google142.251.111.0/24
PTRbk-in-f26.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
TXTgoogle-site-verification=Bn2QoyK9cSogop_x01hG8u2MHCuZEZTPEQLhox8O-40
SOAns1.world4you.athostmaster@world4you.com 2024-10-09 #5

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785815367

Same first word

21nk.com

Similar names

nk21.net
nk12.blogspot.com
kn12.com
nk12.cn
nk12.ru
nk12.de
k2n1.com
kn21.cn
12nk.com
1k2n.com
nk12.com.cn
k12n.cc

DNS History

16 records (4 active, 12 former)

200920112013201520172019202120232025NSns1.world4you.atns2.world4you.atns1.360wzb.comns2.360wzb.comns49.domaincontrol.comns50.domaincontrol.comMXsmtp.google.commailstore1.secureserver.netsmtp.secureserver.netA81.19.154.98125.88.190.13125.88.190.31125.88.190.45222.73.144.189222.73.144.19668.178.232.100
○NSns1.360wzb.com2015-05-14 → 2017-04-20 · 5 obs
○ 2008-11-14 06:52:20
● 2015-05-14 05:22:36
● 2017-04-20 00:17:46
○ 2026-02-14 20:33:50
○ 2026-08-04 04:08:38
●NSns1.world4you.at2026-02-14 → 2026-08-04 · 3 obs
○ 2017-04-20 00:17:46
● 2026-02-14 20:33:50
● 2026-08-04 04:08:38
○NSns2.360wzb.com2015-05-14 → 2017-04-20 · 5 obs
○ 2008-11-14 06:52:20
● 2015-05-14 05:22:36
● 2017-04-20 00:17:46
○ 2026-02-14 20:33:50
○ 2026-08-04 04:08:38
●NSns2.world4you.at2026-02-14 → 2026-08-04 · 3 obs
○ 2017-04-20 00:17:46
● 2026-02-14 20:33:50
● 2026-08-04 04:08:38
○NSns49.domaincontrol.com2008-11-14 → 2008-11-14 · 3 obs
● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-08-04 04:08:38
○NSns50.domaincontrol.com2008-11-14 → 2008-11-14 · 3 obs
● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-08-04 04:08:38
○MXmailstore1.secureserver.net2008-11-14 → 2008-11-14 · 3 obs
● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-08-04 04:08:38
●MXsmtp.google.com2026-02-14 → 2026-08-04 · 3 obs
○ 2015-05-14 05:22:36
● 2026-02-14 20:33:50
● 2026-08-04 04:08:38
○MXsmtp.secureserver.net2008-11-14 → 2008-11-14 · 3 obs
● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-08-04 04:08:38
○A125.88.190.132015-05-14 → 2015-05-14 · 4 obs
○ 2008-11-14 06:52:20
● 2015-05-14 05:22:36
○ 2015-10-25 10:43:24
○ 2026-08-04 04:08:38
○A125.88.190.312017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-22 22:23:40
● 2017-04-20 00:17:46
○ 2026-02-14 20:33:50
○ 2026-08-04 04:08:38
○A125.88.190.452015-10-25 → 2015-10-25 · 4 obs
○ 2015-05-14 05:22:36
● 2015-10-25 10:43:24
○ 2016-01-03 07:05:56
○ 2026-08-04 04:08:38
○A222.73.144.1892016-04-12 → 2016-04-12 · 4 obs
○ 2016-01-03 07:05:56
● 2016-04-12 07:12:24
○ 2016-09-22 22:23:40
○ 2026-08-04 04:08:38
○A222.73.144.1962016-01-03 → 2016-09-22 · 6 obs
○ 2015-10-25 10:43:24
● 2016-01-03 07:05:56
○ 2016-04-12 07:12:24
● 2016-09-22 22:23:40
○ 2017-04-20 00:17:46
○ 2026-08-04 04:08:38
○A68.178.232.1002008-11-14 → 2008-11-14 · 3 obs
● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-08-04 04:08:38
●A81.19.154.982026-02-14 → 2026-08-04 · 3 obs
○ 2017-04-20 00:17:46
● 2026-02-14 20:33:50
● 2026-08-04 04:08:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21nk.comns1.world4you.at, ns2.world4you.at-

✅ Authoritative Response

Server:217.160.82.253

NS records: ns1.world4you.at, ns2.world4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21nk.com (unsigned zone)

⏱️ Timing

Total: 1693ms | Queries: -

📄 Records

TypeCountSample Data
A181.19.154.98
NS2ns2.world4you.at, ns1.world4you.at
MX1smtp.google.com (pri: 1)
TXT1google-site-verification=Bn2QoyK9cSogop_
SOA1ns1.world4you.at hostmaster.world4you.co

Analysis

IP Addresses

21nk.com resolves to just one IP address, 81.19.154.98.

Two other host names, along with ailab.at, hans-deutsch-akustikforschung.com and intersport-ladner.at, also share IP numbers with 21nk.com.

Name Servers

21nk.com is served by two delegated name servers, ns1.world4you.at and ns2.world4you.at.

21nk.com shares its NS records with other domains, for example eliasmitterer.com, bucheggerpiano.at, semperous.com and two others.

Each of the two host names carries two IP addresses: ns1.world4you.at points to 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253, and ns2.world4you.at points to 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253.

Mail Servers

The sole mail server for 21nk.com is smtp.google.com.

Among the domains sharing a mail server setup with 21nk.com are davis.org, chevsite.com, gecit.it and two others.

There is at least a partial MX overlap between 21nk.com and other domains, including easy-busy.cloud, calendrcar.com, bindlondon.com and two others.

These mail servers frequently co-occur with the mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and two others.

With 9 IP addresses total, smtp.google.com resolves to 142.250.31.26, 142.251.16.26, 142.251.16.27 and 6 others.