arpa - robtex.com

arpa

DNSSEC⚠️ Not signed
NSa.root-servers.net ⭐
A2001:503:ba3e::2:30πŸ‡ΊπŸ‡Έ VERISIGN-AS2001:503:ba3e::/48 Verisign Route
PTRa.root-servers.net
A198.41.0.4πŸ‡ΊπŸ‡Έ VERISIGN-AS198.41.0.0/24 Verisign Route
PTRa.root-servers.net
NSa.ns.arpa ⚠️ Not in parent delegation
A2001:503:ba3e::2:30πŸ‡ΊπŸ‡Έ VERISIGN-AS2001:503:ba3e::/48 Verisign Route
PTRa.root-servers.net
A198.41.0.4πŸ‡ΊπŸ‡Έ VERISIGN-AS198.41.0.0/24 Verisign Route
PTRa.root-servers.net
NSb.ns.arpa ⚠️ Not in parent delegation
A2801:1b8:10::bπŸ‡ΊπŸ‡Ύ B-ROOT-SERVER-OPS2801:1b8:10::/48
PTRb.root-servers.net
A170.247.170.2πŸ‡ΊπŸ‡Ύ B-ROOT-SERVER-OPS170.247.170.0/24
PTRb.root-servers.net
NSc.ns.arpa ⚠️ Not in parent delegation
A2001:500:2::cπŸ‡ΊπŸ‡Έ AS21492001:500:2::/48 Cogent Communications IPv6 Micro Allocation
PTRc.root-servers.net
A192.33.4.12πŸ‡ΊπŸ‡Έ AS2149192.33.4.0/24
PTRc.root-servers.net
NSd.ns.arpa ⚠️ Not in parent delegation
A2001:500:2d::dπŸ‡ΊπŸ‡Έ MAX-GIGAPOP2001:500:2d::/48 University of Maryland
PTRd.root-servers.net
A199.7.91.13πŸ‡ΊπŸ‡Έ MAX-GIGAPOP199.7.91.0/24 University of Maryland
PTRd.root-servers.net
NSe.ns.arpa ⚠️ Not in parent delegation
A2001:500:a8::eπŸ‡ΊπŸ‡Έ AS215562001:500:a8::/48 NASA Ames Research Center (NARC) - E-ROOT
PTRe.root-servers.net
A192.203.230.10πŸ‡ΊπŸ‡Έ AS21556192.203.230.0/24 NASA Integrated Services Network (NISN) - E-ROOT
PTRe.root-servers.net
NSf.ns.arpa ⚠️ Not in parent delegation
A2001:500:2f::fπŸ‡ΊπŸ‡Έ ISC-F-ROOT2001:500:2f::/48 F-Root
PTRf.root-servers.net
A192.5.5.241πŸ‡ΊπŸ‡Έ ISC-F-ROOT192.5.5.0/24 F-Root
PTRf.root-servers.net
NSg.ns.arpa ⚠️ Not in parent delegation
A2001:500:12::d0dπŸ‡ΊπŸ‡Έ AS59272001:500:12::/48 3990 E. Broad Street Columbus OH 43218 United States
PTRg.root-servers.net
A192.112.36.4πŸ‡ΊπŸ‡Έ AS5927192.112.36.0/24
PTRg.root-servers.net
NSh.ns.arpa ⚠️ Not in parent delegation
A2001:500:1::53πŸ‡ΊπŸ‡Έ AS15082001:500:1::/48 Proxy Registration
PTRh.root-servers.net
A198.97.190.53πŸ‡ΊπŸ‡Έ AS1508198.97.190.0/24 GBI via EMIX
PTRh.root-servers.net
NSi.ns.arpa ⚠️ Not in parent delegation
A2001:7fe::53πŸ‡ΈπŸ‡ͺ I-ROOT2001:7fe::/33 Prefix reserved for i.root-servers.net., from sites. Assigned 20030916 $Id: route6_2001:7fe::-33,v 1.1 2010-06-10 08:08:52 nico Exp $
PTRi.root-servers.net
A192.36.148.17πŸ‡ΈπŸ‡ͺ I-ROOT192.36.148.0/24 Prefix reserved for DNS root name server i.root-servers.net. $Id: route_192.36.148.0-24,v 1.2 2010-05-26 08:52:13 liman Exp $
PTRi.root-servers.net
NSk.ns.arpa ⚠️ Not in parent delegation
A2001:7fd::1πŸ‡³πŸ‡± K-ROOT-SERVER2001:7fd::/48 K-ROOT Service Network V6
PTRk.root-servers.net
A193.0.14.129πŸ‡³πŸ‡± K-ROOT-SERVER193.0.14.0/24 K-ROOT Service Network
PTRk.root-servers.net
NSl.ns.arpa ⚠️ Not in parent delegation
A2001:500:9f::42πŸ‡ΊπŸ‡Έ AS201442001:500:9f::/48 Interwire Internet Services Pvt Ltd
PTRl.root-servers.net
A199.7.83.42πŸ‡ΊπŸ‡Έ AS20144199.7.83.0/24 Secretaria Legal y Tecnica
PTRl.root-servers.net
NSm.ns.arpa ⚠️ Not in parent delegation
A2001:dc3::35πŸ‡―πŸ‡΅ M-ROOT2001:dc3::/32 WIDE Murai Lab Keio University 5322 Endo, Fujisawa-shi
PTRm.root-servers.net
A202.12.27.33πŸ‡―πŸ‡΅ M-ROOT202.12.27.0/24 WIDE Murai Lab Keio University 5322 Endo, Fujisawa-shi
PTRm.root-servers.net
SOAa.root-servers.netnstld@verisign-grs.com 2026-04-23 #0

(root)

DNSSECπŸ”’ Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-04-23 #0

Subdomains

Same first word

Similar names

DNS History

24 records (13 active, 11 former)

20162017201820192020202120222023202420252026NSa.ns.arpaa.root-servers.netb.ns.arpac.ns.arpad.ns.arpae.ns.arpaf.ns.arpag.ns.arpah.ns.arpai.ns.arpak.ns.arpal.ns.arpam.ns.arpab.root-servers.netc.root-servers.netd.root-servers.nete.root-servers.netf.root-servers.netg.root-servers.neth.root-servers.neti.root-servers.netk.root-servers.netl.root-servers.netm.root-servers.net
●NSa.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
●NSa.root-servers.net2015-09-04 β†’ 2026-04-23 Β· 2 obs
● 2015-09-04 04:36:34
● 2026-04-23 12:08:06
●NSb.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSb.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSc.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSc.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSd.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSd.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSe.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSe.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSf.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSf.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSg.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSg.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSh.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSh.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSi.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSi.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSk.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSk.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSl.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSl.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06
●NSm.ns.arpa2026-02-14 β†’ 2026-04-23 Β· 3 obs
β—‹ 2022-01-11 14:14:00
● 2026-02-14 17:17:38
● 2026-04-23 12:08:06
β—‹NSm.root-servers.net2015-09-04 β†’ 2026-04-16 Β· 8 obs
● 2015-09-04 04:36:34
● 2022-01-11 14:14:00
β—‹ 2026-02-14 17:17:38
β—‹ 2026-04-16 11:21:26
● 2026-04-16 11:52:32
● 2026-04-16 12:23:02
β—‹ 2026-04-16 12:53:16
β—‹ 2026-04-23 12:08:06

πŸ” DNS Trace

βœ… Authoritative Response

Server:198.41.0.4

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 362ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS12a.ns.arpa, b.ns.arpa...
SOA1a.root-servers.net nstld.verisign-grs.co

Analysis

Hierarchy

arpa is the parent of home.arpa, service.arpa, in-addr.arpa, in-addr-servers.arpa, uri.arpa and a few other host names.

Name Servers

arpa delegates to thirteen name servers: a.ns.arpa, b.ns.arpa, c.ns.arpa, d.ns.arpa, e.ns.arpa, f.ns.arpa, g.ns.arpa, h.ns.arpa, i.ns.arpa, k.ns.arpa, l.ns.arpa, m.ns.arpa and a.root-servers.net.

arpa at least partially shares name servers with other domains such as servera.kz, core.kz, nfc.kz, 47m8oguihjrd5j86qyjbhdxdorly738.z.cjjd14.com and usu81x.z.cjjd14.com.

these name servers are commonly used with ns1.park.kz, ns2.park.kz, domain-for-sale-ns1.park.kz, domain-for-sale-ns2.park.kz, ns1.ipz.edu.pl and ns2.ipz.edu.pl.

Host names with two IP numbers:

a.ns.arpa points to 2001:503:ba3e::2:30 and 198.41.0.4.

b.ns.arpa points to 2801:1b8:10::b and 170.247.170.2.

c.ns.arpa points to 2001:500:2::c and 192.33.4.12.

d.ns.arpa points to 2001:500:2d::d and 199.7.91.13.

e.ns.arpa points to 2001:500:a8::e and 192.203.230.10.

f.ns.arpa points to 2001:500:2f::f and 192.5.5.241.

g.ns.arpa points to 2001:500:12::d0d and 192.112.36.4.

h.ns.arpa points to 2001:500:1::53 and 198.97.190.53.

i.ns.arpa points to 2001:7fe::53 and 192.36.148.17.

k.ns.arpa points to 2001:7fd::1 and 193.0.14.129.

l.ns.arpa points to 2001:500:9f::42 and 199.7.83.42.

m.ns.arpa points to 2001:dc3::35 and 202.12.27.33.

a.root-servers.net points to 2001:503:ba3e::2:30 and 198.41.0.4.

Host names that point to 2001:503:ba3e::2:30: a.ns.arpa and a.root-servers.net.

Host names that point to 198.41.0.4: a.ns.arpa and a.root-servers.net.