int21h.org - robtex.com

int21h.org

DNSSEC⚠️ Not signed
A8.46.89.221🇺🇸 COL-NEXTLIGHT8.46.88.0/22
PTR008-046-089-221.v4.mynextlight.net
NSns2.no-ip.com ⭐ ⚠️ Not in parent delegation
A2a07:dc00:180::53🇺🇸 AS299972a07:dc00:180::/44
PTRns2.no-ip.com
A194.62.180.53🇺🇸 AS29997194.62.180.0/24
PTRns2.no-ip.com
NSns1.no-ip.com
A2a07:dc00:1810::53🇺🇸 AS299972a07:dc00:1810::/44
PTRns1.no-ip.com
A194.62.181.53🇺🇸 AS29997194.62.181.0/24
PTRns1.no-ip.com
NSns3.no-ip.com
A2a07:dc00:2550::53🇺🇸 AS299972a07:dc00:2550::/44
PTRns3.no-ip.com
A204.16.255.53🇺🇸 AS29997204.16.255.0/24 Vultr Customer Route
PTRns3.no-ip.com
NSns4.no-ip.com
A2620:0:2e64::53🇺🇸 AS299972620:0:2e64::/48 Vitalwerks Internet Solutions, LLC dba No-IP
PTRns4.no-ip.com
A204.16.254.53🇺🇸 AS29997204.16.254.0/24 Vultr Customer Route
PTRns4.no-ip.com
NSns5.no-ip.com ⚠️ Not in parent delegation
A194.62.181.53🇺🇸 AS29997194.62.181.0/24
PTRns1.no-ip.com
MXmx.noip.com ⭐
A64.98.38.4🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow
PTRmx.b.hostedemail.com
SOAns2.no-ip.comhostmaster@no-ip.com 2019-06-17 #4

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1775007834

Same first word

int21h.com
int21h.jp
int21h.net
int21h.org
int21h.de
int21h.ru
int21h.win

Similar names

tin12h.net

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.no-ip.comns2.no-ip.comns3.no-ip.comns4.no-ip.comns5.no-ip.comns1.rbtelco.netns2.rbtelco.netns3.rbtelco.netMXmx.noip.commx.rbtelco.netmx2.rbtelco.netA8.46.89.221208.111.3.19208.111.3.9
●NSns1.no-ip.com2026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54
○NSns1.rbtelco.net2015-07-22 → 2017-06-28 · 4 obs
● 2015-07-22 16:04:50
● 2017-06-28 12:29:50
○ 2026-03-23 15:30:50
○ 2026-04-01 02:12:54
●NSns2.no-ip.com2026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54
○NSns2.rbtelco.net2015-07-22 → 2017-06-28 · 4 obs
● 2015-07-22 16:04:50
● 2017-06-28 12:29:50
○ 2026-03-23 15:30:50
○ 2026-04-01 02:12:54
●NSns3.no-ip.com2026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54
○NSns3.rbtelco.net2015-07-22 → 2017-06-28 · 4 obs
● 2015-07-22 16:04:50
● 2017-06-28 12:29:50
○ 2026-03-23 15:30:50
○ 2026-04-01 02:12:54
●NSns4.no-ip.com2026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54
●NSns5.no-ip.com2026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54
●MXmx.noip.com2026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54
○MXmx.rbtelco.net2015-07-22 → 2017-06-28 · 4 obs
● 2015-07-22 16:04:50
● 2017-06-28 12:29:50
○ 2026-03-23 15:30:50
○ 2026-04-01 02:12:54
○MXmx2.rbtelco.net2015-07-22 → 2017-06-28 · 4 obs
● 2015-07-22 16:04:50
● 2017-06-28 12:29:50
○ 2026-03-23 15:30:50
○ 2026-04-01 02:12:54
○A208.111.3.192017-06-28 → 2017-06-28 · 4 obs
○ 2016-08-11 19:58:00
● 2017-06-28 12:29:50
○ 2026-03-23 15:30:50
○ 2026-04-01 02:12:54
○A208.111.3.92015-07-22 → 2016-08-11 · 4 obs
● 2015-07-22 16:04:50
● 2016-08-11 19:58:00
○ 2017-06-28 12:29:50
○ 2026-04-01 02:12:54
●A8.46.89.2212026-03-23 → 2026-04-01 · 3 obs
○ 2017-06-28 12:29:50
● 2026-03-23 15:30:50
● 2026-04-01 02:12:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
int21h.orgns1.no-ip.com, ns3.no-ip.com, ns4.no-ip.com-

✅ Authoritative Response

Server:194.62.181.53

NS records: ns1.no-ip.com, ns3.no-ip.com, ns4.no-ip.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for int21h.org (unsigned zone)

⏱️ Timing

Total: 1478ms | Queries: -

📄 Records

TypeCountSample Data
A18.46.89.221
NS5ns4.no-ip.com, ns1.no-ip.com...
MX1mx.noip.com (pri: 5)
SOA1ns2.no-ip.com hostmaster.no-ip.com

Analysis

IP Addresses

int21h.org points to a single IP address: 8.46.89.221.

Name Servers

int21h.org is delegated to five name servers: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com and ns5.no-ip.com.

int21h.org at least partially shares name servers with other domains, for example recargalos.com.mx, echogaming.net, k3nx.net, adns.com.au and dragoda.com.

These name servers are commonly used with static-1.no-ip.com and static-2.no-ip.com and static-3.no-ip.com.

Host names with two IP numbers:

ns1.no-ip.com points to: 2a07:dc00:1810::53 and 194.62.181.53

ns2.no-ip.com points to: 2a07:dc00:180::53 and 194.62.180.53

ns3.no-ip.com points to: 2a07:dc00:2550::53 and 204.16.255.53

ns4.no-ip.com points to: 2620:0:2e64::53 and 204.16.254.53

Host names with one IP number:

ns5.no-ip.com points to: 194.62.181.53

Host names that point to 194.62.181.53: ns1.no-ip.com and ns5.no-ip.com

Mail Servers

The mx.noip.com mail server handles int21h.org.

int21h.org shares the same mail server setup as other domains, including amp2533.com, hawkinscenter.org, wirkestrand.net, jtparchitect.us and williamswood.net.

int21h.org shares at least partially some mail servers with other domains, for instance gscanet.com, lx4i.com, glpnews.com, kenplex.net and go2guysaz.com.

mx.noip.com points to a single IP number: 64.98.38.4.