21nk.com - robtex.com

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`21nk.com`

DNSSEC	⚠️ Not signed
A	81.19.154.98^{🇦🇹 IONOS-AS}
		PTR	`redirect01.world4you.com`
NS	`ns1.world4you.at` ⭐
		A	2607:f1c0:fe:53:185:132:32:253^{🇺🇸 IONOS-ANYCAST}
			PTR	`ns1.world4you.at`
		A	185.132.32.253^{🇩🇪 IONOS-ANYCAST}
			PTR	`ns1.world4you.at`
NS	`ns2.world4you.at`
		A	2001:8d8:fe:53:217:160:82:253^{🇩🇪 IONOS-AS}
			PTR	`ns2.world4you.at`
		A	217.160.82.253^{🇩🇪 IONOS-AS}
			PTR	`ns2.world4you.at`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:1004::1b^{🇺🇸 Google}
			PTR	`rq-in-f27.1e100.net`
		A	2607:f8b0:4023:1009::1a^{🇺🇸 Google}
			PTR	`rt-in-f26.1e100.net`
		A	2607:f8b0:4023:1009::1b^{🇺🇸 Google}
			PTR	`rt-in-f27.1e100.net`
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google}
			PTR	`yudfwta-in-f26.1e100.net`
		A	142.250.115.26^{🇺🇸 Google}
			PTR	`rq-in-f26.1e100.net`
		A	142.250.115.27^{🇺🇸 Google}
			PTR	`rq-in-f27.1e100.net`
		A	142.251.116.26^{🇺🇸 Google}
			PTR	`rt-in-f26.1e100.net`
		A	142.251.116.27^{🇺🇸 Google}
			PTR	`rt-in-f27.1e100.net`
		A	172.253.135.26^{🇺🇸 Google}
			PTR	`yudfwta-in-f26.1e100.net`
TXT	`google-site-verification=Bn2QoyK9cSogop_x01hG8u2MHCuZEZTPEQLhox8O-40`
SOA	`ns1.world4you.at`hostmaster@world4you.com 2024-10-09 #5

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1770918430

Same first word

21nk.com

Similar names

nk12.blogspot.com

kn12.com

nk12.ru

nk12.de

k2n1.com

kn21.cn

12nk.com

1k2n.com

DNS History

16 records (4 active, 12 former)

○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
○ 2026-02-14 20:33:52

●NSns1.world4you.at2026-02-14 → 2026-02-14 · 3 obs

○ 2017-04-20 00:17:46
● 2026-02-14 20:33:50
● 2026-02-14 20:33:52

○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
○ 2026-02-14 20:33:52

●NSns2.world4you.at2026-02-14 → 2026-02-14 · 3 obs

○ 2017-04-20 00:17:46
● 2026-02-14 20:33:50
● 2026-02-14 20:33:52

○NSns49.domaincontrol.com2008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-02-14 20:33:52

○NSns50.domaincontrol.com2008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-02-14 20:33:52

○MXmailstore1.secureserver.net2008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-02-14 20:33:52

●MXsmtp.google.com2026-02-14 → 2026-02-14 · 3 obs

○ 2015-05-14 05:22:36
● 2026-02-14 20:33:50
● 2026-02-14 20:33:52

○MXsmtp.secureserver.net2008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-02-14 20:33:52

○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
○ 2026-02-14 20:33:52

○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
○ 2026-02-14 20:33:52

○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
○ 2026-02-14 20:33:52

○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
○ 2026-02-14 20:33:52

○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
○ 2026-02-14 20:33:52

○A68.178.232.1002008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 06:52:20
○ 2015-05-14 05:22:36
○ 2026-02-14 20:33:52

●A81.19.154.982026-02-14 → 2026-02-14 · 3 obs

○ 2017-04-20 00:17:46
● 2026-02-14 20:33:50
● 2026-02-14 20:33:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21nk.com	ns1.world4you.at, ns2.world4you.at	-

✅ Authoritative Response

Server: 185.132.32.253

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1442ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.154.98`
NS	2	`ns2.world4you.at, ns1.world4you.at`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=Bn2QoyK9cSogop_`
SOA	1	`ns1.world4you.at hostmaster.world4you.co`

AI analysis

21nk.com resolves to a single IP address: 81.19.154.98.

Other host names including ailab.at, hans-deutsch-akustikforschung.com, intersport-ladner.at, besondere-plaetze.com and bauers.email share IP numbers with 21nk.com.

21nk.com's delegation uses two name servers, ns1.world4you.at and ns2.world4you.at.

21nk.com shares the same name server setup as other domains, for example eliasmitterer.com, bucheggerpiano.at, semperous.com, appfusion.at and lasvegasvans.at.

Host names with two IPs:

ns1.world4you.at points to: 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253

ns2.world4you.at points to: 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253

21nk.com is handled by a single mail server, smtp.google.com.

21nk.com shares its mail server setup with other domains, including davis.org, homu.co, ranibox.com, newharborcounseling.com and bindlondon.com.

The mail servers for 21nk.com are shared with other domains, for instance calendrcar.com, xauri.com, grupopyramida.com, rcu.edu and ivfc.org.

these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

The host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1009::1a, 2607:f8b0:4023:1009::1b, 2607:f8b0:4023:1015::1a, 142.250.115.26, 142.250.115.27, 142.251.116.26, 142.251.116.27 and 172.253.135.26.