interface21.org - dns.ninja

interface21.org

DNSSEC⚠️ Not signed
NSedns161.ultradns.biz ⚠️ Not in zone NS records
A2610:a1:1015::2a1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRedns161.ultradns.biz
A204.74.67.161🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar
PTRedns161.ultradns.biz
NSedns161.ultradns.com ⚠️ Not in zone NS records
A2001:502:f3ff::2a1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRedns161.ultradns.com
A204.74.66.161🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar
PTRedns161.ultradns.com
NSedns161.ultradns.net ⚠️ Not in zone NS records
A2610:a1:1014::2a1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRedns161.ultradns.net
A204.74.110.161🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar
PTRedns161.ultradns.net
NSedns161.ultradns.org ⚠️ Not in zone NS records
A2001:502:4612::2a1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRedns161.ultradns.org
A204.74.111.161🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar
PTRedns161.ultradns.org
NSns96.ultradns2.com ⚠️ Not in zone NS records
A2610:a1:3160::53🇺🇸 AS3991692610:a1:3160::/48
PTRns96.ultradns2.com
A204.74.104.96🇺🇸 AS399169204.74.104.0/24 UltraDNS
PTRns96.ultradns2.com
NSns96.ultradns2.org ⚠️ Not in zone NS records
A2610:a1:3260::53🇺🇸 AS3991692610:a1:3260::/48
PTRns96.ultradns2.org
A204.74.106.96🇺🇸 AS399169204.74.106.0/24 UltraDNS
PTRns96.ultradns2.org

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=1785704130

Same first word

interface21.io
interface21.ch
interface21.net
interface21.org
interface21.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSedns161.ultradns.bizedns161.ultradns.comedns161.ultradns.netedns161.ultradns.orgns96.ultradns2.comns96.ultradns2.orgns1.p14.dynect.netns2.p14.dynect.netns3.p14.dynect.netns4.p14.dynect.netns4.vmware.comosdc-ext-dns-1.vmware.comsc9-ext-dns-1.vmware.comMXmail1.vmware.commail1b.vmware.comA208.91.0.132
●NSedns161.ultradns.biz2026-04-05 → 2026-08-02 · 3 obs
○ 2017-06-17 05:37:44
● 2026-04-05 10:23:38
● 2026-08-02 21:15:20
●NSedns161.ultradns.com2026-04-05 → 2026-08-02 · 3 obs
○ 2017-06-17 05:37:44
● 2026-04-05 10:23:38
● 2026-08-02 21:15:20
●NSedns161.ultradns.net2026-04-05 → 2026-08-02 · 3 obs
○ 2017-06-17 05:37:44
● 2026-04-05 10:23:38
● 2026-08-02 21:15:20
●NSedns161.ultradns.org2026-04-05 → 2026-08-02 · 3 obs
○ 2017-06-17 05:37:44
● 2026-04-05 10:23:38
● 2026-08-02 21:15:20
○NSns1.p14.dynect.net2016-11-19 → 2017-06-17 · 5 obs
○ 2016-03-16 03:00:42
● 2016-11-19 18:51:34
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20
○NSns2.p14.dynect.net2016-11-19 → 2017-06-17 · 5 obs
○ 2016-03-16 03:00:42
● 2016-11-19 18:51:34
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20
○NSns3.p14.dynect.net2016-11-19 → 2017-06-17 · 5 obs
○ 2016-03-16 03:00:42
● 2016-11-19 18:51:34
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20
○NSns4.p14.dynect.net2016-11-19 → 2017-06-17 · 5 obs
○ 2016-03-16 03:00:42
● 2016-11-19 18:51:34
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20
○NSns4.vmware.com2015-08-15 → 2016-03-16 · 4 obs
● 2015-08-15 00:50:50
● 2016-03-16 03:00:42
○ 2016-11-19 18:51:34
○ 2026-08-02 21:15:20
●NSns96.ultradns2.com2026-04-05 → 2026-08-02 · 3 obs
○ 2017-06-17 05:37:44
● 2026-04-05 10:23:38
● 2026-08-02 21:15:20
●NSns96.ultradns2.org2026-04-05 → 2026-08-02 · 3 obs
○ 2017-06-17 05:37:44
● 2026-04-05 10:23:38
● 2026-08-02 21:15:20
○NSosdc-ext-dns-1.vmware.com2015-08-15 → 2016-03-16 · 4 obs
● 2015-08-15 00:50:50
● 2016-03-16 03:00:42
○ 2016-11-19 18:51:34
○ 2026-08-02 21:15:20
○NSsc9-ext-dns-1.vmware.com2015-08-15 → 2016-03-16 · 4 obs
● 2015-08-15 00:50:50
● 2016-03-16 03:00:42
○ 2016-11-19 18:51:34
○ 2026-08-02 21:15:20
○MXmail1.vmware.com2015-08-15 → 2017-06-17 · 4 obs
● 2015-08-15 00:50:50
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20
○MXmail1b.vmware.com2015-08-15 → 2017-06-17 · 4 obs
● 2015-08-15 00:50:50
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20
○A208.91.0.1322015-08-15 → 2017-06-17 · 4 obs
● 2015-08-15 00:50:50
● 2017-06-17 05:37:44
○ 2026-04-05 10:23:38
○ 2026-08-02 21:15:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
interface21.orgns96.ultradns2.org, edns161.ultradns.net, edns161.ultradns.org, ns96.ultradns2.com...4 records

✅ Authoritative Response

Server:204.74.67.161

NS records: ns96.ultradns2.org, edns161.ultradns.net, edns161.ultradns.org, ns96.ultradns2.com, edns161.ultradns.biz, edns161.ultradns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for interface21.org (unsigned zone)

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (edns161.ultradns.org, ns96.ultradns2.org, edns161.ultradns.org...)

Analysis

Name Servers

interface21.org is delegated to 6 name servers: edns161.ultradns.biz, edns161.ultradns.com, ns96.ultradns2.com and 3 other.

interface21.org shares at least some of its name servers with other domains, including symantec.cloud, avagotech.fr, 2.91.208.in-addr.arpa and two others.

These name servers are routinely co-deployed with the name servers edns161.ultradns.net, edns161.ultradns.org, ns96.ultradns2.org and two others.

Hosts with two IP numbers each:

edns161.ultradns.biz points to 204.74.67.161 and 2610:a1:1015::2a1.

edns161.ultradns.com points to 204.74.66.161 and 2001:502:f3ff::2a1.

ns96.ultradns2.com points to 204.74.104.96 and 2610:a1:3160::53.

edns161.ultradns.net points to 204.74.110.161 and 2610:a1:1014::2a1.

edns161.ultradns.org points to 204.74.111.161 and 2001:502:4612::2a1.

ns96.ultradns2.org points to 204.74.106.96 and 2610:a1:3260::53.