ns2.w21.org - robtex.com

ns2.w21.org

DNSSEC⚠️ Not signed
A2a01:4f9:c012:7f7c::1🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK
PTRsundby.w21.org
A65.21.52.124🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC

w21.org

DNSSEC⚠️ Not signed
A2a01:239:310:fb00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
A85.215.152.252🇩🇪 IONOS-AS85.215.128.0/17 IONOS SE ber.de
NSns1.w21.org ⭐
NSns0.w21.org
NSns2.w21.org
MXmx0.w21.org ⭐
TXTv=spf1 a mx -all
SOAns1.w21.orgdomains@w21.org 2026-05-04 #0
WOT: SAFE (61/100)

NS for

jnic.de
w21.org
64927.de

Previously NS for

jnil.org

Same first word

ns2.gov.mg
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ns2.kapsi.fi
ns2.es-1.axarnet.cloud
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ns2.ric.jelastic.vps-host.net
ns2.dyndns.org
ns2.gov.mu
ns2.gouv.sn
ns2.appengine.flow.ch
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ns2.ro
ns2.lib.vt.us
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ns2.edu.tt
ns2.skygearapp.com
ns2.mynascloud.com
ns2.cloudflare.net
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ns2.ru
ns2.pm
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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026A2a01:4f9:c012:7f7c::165.21.52.124212.112.229.2082a01:138:b004:3:f000::1
○A212.112.229.2082015-08-19 → 2017-09-06 · 4 obs
● 2015-08-19 06:21:40
● 2017-09-06 04:36:22
○ 2026-02-15 18:46:02
○ 2026-05-13 21:07:54
○A2a01:138:b004:3:f000::12015-08-19 → 2017-09-06 · 4 obs
● 2015-08-19 06:21:40
● 2017-09-06 04:36:22
○ 2026-02-15 18:46:02
○ 2026-05-13 21:07:54
●A2a01:4f9:c012:7f7c::12026-02-15 → 2026-05-13 · 3 obs
○ 2017-09-06 04:36:22
● 2026-02-15 18:46:02
● 2026-05-13 21:07:54
●A65.21.52.1242026-02-15 → 2026-05-13 · 3 obs
○ 2017-09-06 04:36:22
● 2026-02-15 18:46:02
● 2026-05-13 21:07:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
w21.orgns1.w21.org, ns0.w21.org, ns2.w21.org6 records

✅ Authoritative Response

Server:85.215.152.252

NS records: ns1.w21.org, ns0.w21.org, ns2.w21.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for w21.org (unsigned zone)

⏱️ Timing

Total: 338ms | Queries: -

📄 Records

TypeCountSample Data
A165.21.52.124
AAAA12a01:4f9:c012:7f7c::1

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ns0.w21.org, ns1.w21.org, ns2.w21.org...)

Analysis

Name Server Role

ns2.w21.org serves as a name server for jnic.de, w21.org and 64927.de.

ns0.w21.org and ns1.w21.org are commonly used as name servers together with ns2.w21.org.

IP Addresses

ns2.w21.org resolves to two IP numbers: 2a01:4f9:c012:7f7c::1 and 65.21.52.124.

Other host names share IP numbers with ns2.w21.org; for instance sundby.w21.org.