in-addr.arpa - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

in-addr.arpa

DNSSEC🔒 Signed (DS record present)
NSb.in-addr-servers.arpa ⭐
A2001:500:87::87🇺🇸 ICANN-Anycasted-Services2001:500:87::/48 b.in-addr-servers.arpa
PTRb.in-addr-servers.arpa
A199.253.183.183🇺🇸 ICANN-Anycasted-Services199.253.183.0/24 RR-RC-ICANN-Los Angeles
PTRb.in-addr-servers.arpa
NSa.in-addr-servers.arpa
A2620:37:e000::53🇺🇸 AS535352620:37:e000::/48 American Registry for Internet Numbers PO Box 232290 Centreville VA 20120 United States
PTRa.in-addr-servers.arpa
A199.180.182.53🇺🇸 AS53535199.180.182.0/24 American Registry for Internet Numbers PO Box 232290 Centreville VA 20120 United States
NSc.in-addr-servers.arpa
A2001:43f8:110::10🇿🇦 AFRINIC-Anycast-RFC-58552001:43f8:110::/48 AFRINIC-RFC5855
A196.216.169.10🇿🇦 AFRINIC-Anycast-RFC-5855196.216.169.0/24 AFRINIC-RFC5855
NSd.in-addr-servers.arpa
A2001:13c7:7010::53🇧🇷 LACNIC-ASN-522242001:13c7:7010::/48 LACNIC generated route6 for LACNIC - Latin American and Caribbean IP address
PTRd.in-addr-servers.arpa
A200.10.60.53🇧🇷 LACNIC-ASN-52224200.10.60.0/24 LACNIC generated route for LACNIC - Latin American and Caribbean IP address
PTRd.in-addr-servers.arpa
NSe.in-addr-servers.arpa
A2001:dd8:6::101🇦🇺 APNIC-ANYCAST2001:dd8:6::/48 APNIC Network
PTRns3.apnic.net
A203.119.86.101🇦🇺 APNIC-ANYCAST203.119.86.0/24 APNIC Network
PTRns3.apnic.net
NSf.in-addr-servers.arpa
A2a13:27c0:30::1🇳🇱 RIPE-NCC-AUTHDNS-AS2a13:27c0:30::/48 Auth DNS Service Network
PTRf.in-addr-servers.arpa
A193.0.9.1🇳🇱 RIPE-NCC-AUTHDNS-AS193.0.9.0/24 Auth DNS Service Network
PTRf.in-addr-servers.arpa
SOAb.in-addr-servers.arpanstld@iana.org 2026-10-01 #5

arpa

DNSSEC⚠️ Not signed
NSa.root-servers.net ⭐
NSa.ns.arpa ⚠️ Not in parent delegation
NSb.ns.arpa ⚠️ Not in parent delegation
NSc.ns.arpa ⚠️ Not in parent delegation
NSd.ns.arpa ⚠️ Not in parent delegation
NSe.ns.arpa ⚠️ Not in parent delegation
NSf.ns.arpa ⚠️ Not in parent delegation
NSg.ns.arpa ⚠️ Not in parent delegation
NSh.ns.arpa ⚠️ Not in parent delegation
NSi.ns.arpa ⚠️ Not in parent delegation
NSk.ns.arpa ⚠️ Not in parent delegation
NSl.ns.arpa ⚠️ Not in parent delegation
NSm.ns.arpa ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-10-16 #0
WOT: SAFE (60/100)

PTR for

227.178.39.195.in-addr.arpa
178.64.205.41.in-addr.arpa
85.30.200.84.in-addr.arpa

Subdomains

120.in-addr.arpa
152.in-addr.arpa
43.in-addr.arpa
225.in-addr.arpa
146.in-addr.arpa
206.in-addr.arpa
192.in-addr.arpa
34.in-addr.arpa
238.in-addr.arpa
107.in-addr.arpa
26.in-addr.arpa
4.in-addr.arpa
92.in-addr.arpa
185.in-addr.arpa
159.in-addr.arpa
194.in-addr.arpa
94.in-addr.arpa
57.in-addr.arpa
153.in-addr.arpa
187.in-addr.arpa
10.in-addr.arpa
119.in-addr.arpa
210.in-addr.arpa
5.in-addr.arpa
150.in-addr.arpa
212.in-addr.arpa
135.in-addr.arpa
217.in-addr.arpa
38.in-addr.arpa
186.in-addr.arpa
32.in-addr.arpa
71.in-addr.arpa
219.in-addr.arpa
78.in-addr.arpa
64.in-addr.arpa
199.in-addr.arpa
12.in-addr.arpa
25.in-addr.arpa
196.in-addr.arpa
101.in-addr.arpa
72.in-addr.arpa
154.in-addr.arpa
47.in-addr.arpa
162.in-addr.arpa
80.in-addr.arpa
229.in-addr.arpa
49.in-addr.arpa
177.in-addr.arpa
235.in-addr.arpa
96.in-addr.arpa
227.in-addr.arpa
213.in-addr.arpa
20.in-addr.arpa
89.in-addr.arpa
44.in-addr.arpa
136.in-addr.arpa
36.in-addr.arpa
28.in-addr.arpa
104.in-addr.arpa
143.in-addr.arpa
161.in-addr.arpa
182.in-addr.arpa
129.in-addr.arpa
125.in-addr.arpa
14.in-addr.arpa
211.in-addr.arpa
37.in-addr.arpa
228.in-addr.arpa
56.in-addr.arpa
51.in-addr.arpa
113.in-addr.arpa
86.in-addr.arpa
108.in-addr.arpa
155.in-addr.arpa
209.in-addr.arpa
145.in-addr.arpa
85.in-addr.arpa
102.in-addr.arpa
54.in-addr.arpa
197.in-addr.arpa
68.in-addr.arpa
148.in-addr.arpa
111.in-addr.arpa
168.in-addr.arpa
39.in-addr.arpa
215.in-addr.arpa
114.in-addr.arpa
207.in-addr.arpa
55.in-addr.arpa
160.in-addr.arpa
77.in-addr.arpa
230.in-addr.arpa
33.in-addr.arpa
234.in-addr.arpa
166.in-addr.arpa
90.in-addr.arpa
110.in-addr.arpa
147.in-addr.arpa
50.in-addr.arpa
67.in-addr.arpa

Same first word

in-addr.services
in-addr.fr
in-addr.co
in-addr.ph
in-addr.name
in-addr.zone
in-addr.org
in-addr.cn
in-addr.xyz
in-addr.it
in-addr.network
in-addr.tech
in-addr.africa
in-addr.de
in-addr.net
in-addr.cloud
in-addr.dev
in-addr.com
in-addr.space
in-addr.i234.me
in-addr.arpa
in-addr.ro
in-addr.eu
in-addr.quest
in-addr.wtf
in-addr.ru
in-addr.ice
in-addr.email
in-addr.ps
in-addr.top
in-addr.ch
in-addr.nl
in-addr.in

Similar names

air-dnd.fr
addr-in.com
dr-dina.com
dr-dian.com
dr-dani.com
air-dnd.ca
dr-dina.store
dr-dian.de
air-dnd.org
dr-dani.de
ndi-adr.com
dr-dani.at
air-dnd.com
air-dnd.net

Next names

in-addr-servers.arpa

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSa.in-addr-servers.arpab.in-addr-servers.arpac.in-addr-servers.arpad.in-addr-servers.arpae.in-addr-servers.arpaf.in-addr-servers.arpardns1.defastlink.netrdns2.defastlink.net
●NSa.in-addr-servers.arpa2015-08-31 → 2026-10-16 · 71 obs
● 2015-08-31 15:08:06
● 2026-04-07 03:44:32
○ 2026-04-07 04:15:14
● 2026-04-07 04:45:40
● 2026-04-07 05:16:24
○ 2026-04-07 05:47:36
● 2026-04-07 06:18:00
● 2026-04-17 04:49:10
○ 2026-04-17 05:19:44
● 2026-04-17 05:49:52
● 2026-05-24 14:18:58
○ 2026-05-24 14:50:12
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● 2026-05-26 11:47:36
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● 2026-05-30 15:51:08
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● 2026-06-01 03:12:12
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● 2026-08-09 00:10:08
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● 2026-08-23 00:15:12
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● 2026-08-31 05:12:18
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● 2026-09-29 02:45:28
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● 2026-10-08 08:56:12
○ 2026-10-14 04:42:40
● 2026-10-14 05:15:20
● 2026-10-16 15:12:10
●NSb.in-addr-servers.arpa2015-08-31 → 2026-10-16 · 71 obs
● 2015-08-31 15:08:06
● 2026-04-07 03:44:32
○ 2026-04-07 04:15:14
● 2026-04-07 04:45:40
● 2026-04-07 05:16:24
○ 2026-04-07 05:47:36
● 2026-04-07 06:18:00
● 2026-04-17 04:49:10
○ 2026-04-17 05:19:44
● 2026-04-17 05:49:52
● 2026-05-24 14:18:58
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● 2026-05-24 15:22:20
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● 2026-05-24 18:58:50
● 2026-05-25 00:38:38
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● 2026-05-25 01:41:08
● 2026-05-25 06:23:02
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● 2026-05-25 07:24:54
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● 2026-05-25 08:26:20
● 2026-05-26 11:47:36
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● 2026-05-26 12:48:48
● 2026-05-30 15:51:08
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● 2026-06-28 07:53:56
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● 2026-06-29 06:08:28
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● 2026-06-30 05:08:54
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● 2026-06-30 22:33:22
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● 2026-07-04 10:14:12
○ 2026-07-09 01:35:56
● 2026-07-09 09:39:02
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● 2026-07-16 22:10:34
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● 2026-07-20 14:45:10
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● 2026-08-09 00:10:08
○ 2026-08-22 23:41:38
● 2026-08-23 00:15:12
○ 2026-08-27 10:56:48
● 2026-08-27 11:31:14
○ 2026-08-30 04:51:08
● 2026-08-30 12:09:46
○ 2026-08-31 01:48:30
● 2026-08-31 05:12:18
○ 2026-09-29 01:19:58
● 2026-09-29 02:45:28
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● 2026-10-08 08:56:12
○ 2026-10-14 04:42:40
● 2026-10-14 05:15:20
● 2026-10-16 15:12:10
●NSc.in-addr-servers.arpa2015-08-31 → 2026-10-16 · 71 obs
● 2015-08-31 15:08:06
● 2026-04-07 03:44:32
○ 2026-04-07 04:15:14
● 2026-04-07 04:45:40
● 2026-04-07 05:16:24
○ 2026-04-07 05:47:36
● 2026-04-07 06:18:00
● 2026-04-17 04:49:10
○ 2026-04-17 05:19:44
● 2026-04-17 05:49:52
● 2026-05-24 14:18:58
○ 2026-05-24 14:50:12
● 2026-05-24 15:22:20
● 2026-05-24 17:58:12
○ 2026-05-24 18:28:36
● 2026-05-24 18:58:50
● 2026-05-25 00:38:38
○ 2026-05-25 01:09:18
● 2026-05-25 01:41:08
● 2026-05-25 06:23:02
○ 2026-05-25 06:54:20
● 2026-05-25 07:24:54
○ 2026-05-25 07:55:38
● 2026-05-25 08:26:20
● 2026-05-26 11:47:36
○ 2026-05-26 12:18:18
● 2026-05-26 12:48:48
● 2026-05-30 15:51:08
○ 2026-05-30 16:21:38
● 2026-05-30 16:52:12
● 2026-06-01 03:12:12
○ 2026-06-01 03:42:48
● 2026-06-01 04:13:12
● 2026-06-12 01:50:16
○ 2026-06-12 02:32:18
● 2026-06-12 03:44:08
○ 2026-06-22 21:28:38
● 2026-06-22 22:24:46
○ 2026-06-27 18:50:30
● 2026-06-28 07:53:56
○ 2026-06-29 03:25:48
● 2026-06-29 06:08:28
○ 2026-06-30 04:14:34
● 2026-06-30 05:08:54
○ 2026-06-30 21:12:10
● 2026-06-30 22:33:22
○ 2026-07-04 08:06:08
● 2026-07-04 10:14:12
○ 2026-07-09 01:35:56
● 2026-07-09 09:39:02
○ 2026-07-16 20:03:56
● 2026-07-16 22:10:34
○ 2026-07-20 14:13:08
● 2026-07-20 14:45:10
○ 2026-08-07 20:49:34
● 2026-08-09 00:10:08
○ 2026-08-22 23:41:38
● 2026-08-23 00:15:12
○ 2026-08-27 10:56:48
● 2026-08-27 11:31:14
○ 2026-08-30 04:51:08
● 2026-08-30 12:09:46
○ 2026-08-31 01:48:30
● 2026-08-31 05:12:18
○ 2026-09-29 01:19:58
● 2026-09-29 02:45:28
○ 2026-10-08 04:25:44
● 2026-10-08 08:56:12
○ 2026-10-14 04:42:40
● 2026-10-14 05:15:20
● 2026-10-16 15:12:10
●NSd.in-addr-servers.arpa2015-08-31 → 2026-10-16 · 71 obs
● 2015-08-31 15:08:06
● 2026-04-07 03:44:32
○ 2026-04-07 04:15:14
● 2026-04-07 04:45:40
● 2026-04-07 05:16:24
○ 2026-04-07 05:47:36
● 2026-04-07 06:18:00
● 2026-04-17 04:49:10
○ 2026-04-17 05:19:44
● 2026-04-17 05:49:52
● 2026-05-24 14:18:58
○ 2026-05-24 14:50:12
● 2026-05-24 15:22:20
● 2026-05-24 17:58:12
○ 2026-05-24 18:28:36
● 2026-05-24 18:58:50
● 2026-05-25 00:38:38
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● 2026-05-25 01:41:08
● 2026-05-25 06:23:02
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● 2026-05-25 07:24:54
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● 2026-05-25 08:26:20
● 2026-05-26 11:47:36
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● 2026-05-26 12:48:48
● 2026-05-30 15:51:08
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● 2026-05-30 16:52:12
● 2026-06-01 03:12:12
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● 2026-06-01 04:13:12
● 2026-06-12 01:50:16
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● 2026-06-22 22:24:46
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● 2026-06-28 07:53:56
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● 2026-06-30 22:33:22
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● 2026-07-04 10:14:12
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● 2026-07-09 09:39:02
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● 2026-07-20 14:45:10
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● 2026-08-23 00:15:12
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● 2026-08-30 12:09:46
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● 2026-08-31 05:12:18
○ 2026-09-29 01:19:58
● 2026-09-29 02:45:28
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● 2026-10-08 08:56:12
○ 2026-10-14 04:42:40
● 2026-10-14 05:15:20
● 2026-10-16 15:12:10
●NSe.in-addr-servers.arpa2015-08-31 → 2026-10-16 · 71 obs
● 2015-08-31 15:08:06
● 2026-04-07 03:44:32
○ 2026-04-07 04:15:14
● 2026-04-07 04:45:40
● 2026-04-07 05:16:24
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● 2026-04-07 06:18:00
● 2026-04-17 04:49:10
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● 2026-05-26 12:48:48
● 2026-05-30 15:51:08
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● 2026-05-30 16:52:12
● 2026-06-01 03:12:12
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● 2026-06-12 03:44:08
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● 2026-06-22 22:24:46
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● 2026-10-08 08:56:12
○ 2026-10-14 04:42:40
● 2026-10-14 05:15:20
● 2026-10-16 15:12:10
●NSf.in-addr-servers.arpa2015-08-31 → 2026-10-16 · 71 obs
● 2015-08-31 15:08:06
● 2026-04-07 03:44:32
○ 2026-04-07 04:15:14
● 2026-04-07 04:45:40
● 2026-04-07 05:16:24
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● 2026-04-07 06:18:00
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● 2026-05-24 15:22:20
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○NSrdns1.defastlink.net2026-04-07 → 2026-10-14 · 70 obs
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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
in-addr.arpaf.in-addr-servers.arpa, a.in-addr-servers.arpa, d.in-addr-servers.arpa, b.in-addr-servers.arpa...-

✅ Authoritative Response

Server:193.0.9.1

NS records: f.in-addr-servers.arpa, a.in-addr-servers.arpa, d.in-addr-servers.arpa, b.in-addr-servers.arpa, c.in-addr-servers.arpa, e.in-addr-servers.arpa

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

TypeCountSample Data
NS6a.in-addr-servers.arpa, b.in-addr-servers.arpa...
SOA1b.in-addr-servers.arpa nstld.iana.org

Analysis

Hierarchy

in-addr.arpa serves as the parent of 120.in-addr.arpa, 152.in-addr.arpa, 43.in-addr.arpa, 225.in-addr.arpa, 146.in-addr.arpa and hundreds of other host names.

Name Servers

The DNS delegation for in-addr.arpa covers 6 name servers: a.in-addr-servers.arpa, b.in-addr-servers.arpa, c.in-addr-servers.arpa and 3 more.

The name servers of in-addr.arpa overlap at least partially with those of other domains — among them 104.167.175.54.in-addr.arpa, 112.254.232.156.in-addr.arpa, 124.81.123.174.in-addr.arpa and two more.

The name servers d.in-addr-servers.arpa, e.in-addr-servers.arpa and f.in-addr-servers.arpa are commonly seen alongside these name servers.

Host names that have two IP addresses:

a.in-addr-servers.arpa maps to two IP addresses — 199.180.182.53 and 2620:37:e000::53.

b.in-addr-servers.arpa maps to two IP addresses — 199.253.183.183 and 2001:500:87::87.

c.in-addr-servers.arpa maps to two IP addresses — 196.216.169.10 and 2001:43f8:110::10.

d.in-addr-servers.arpa maps to two IP addresses — 200.10.60.53 and 2001:13c7:7010::53.

e.in-addr-servers.arpa maps to two IP addresses — 203.119.86.101 and 2001:dd8:6::101.

f.in-addr-servers.arpa maps to two IP addresses — 193.0.9.1 and 2a13:27c0:30::1.