loopback.cn - dns.ninja

loopback.cn

DNSSEC⚠️ Not signed
A2408:4005:34c:2942:fedc:ba98:7654:3210🇨🇳 Alibaba-Cloud2408:4005::/33
A121.40.163.215🇨🇳 Alibaba-Cloud121.40.0.0/15
NSloopback.cn ⭐
A2408:4005:34c:2942:fedc:ba98:7654:3210🇨🇳 Alibaba-Cloud2408:4005::/33
A121.40.163.215🇨🇳 Alibaba-Cloud121.40.0.0/15
NSns1.loopback.cn
A2408:4005:34c:2942:fedc:ba98:7654:3210🇨🇳 Alibaba-Cloud2408:4005::/33
A121.40.163.215🇨🇳 Alibaba-Cloud121.40.0.0/15
NSns2.loopback.cn
A2408:4005:34c:2942:fedc:ba98:7654:3210🇨🇳 Alibaba-Cloud2408:4005::/33
A121.40.163.215🇨🇳 Alibaba-Cloud121.40.0.0/15
SOAloopback.cnrname@invalid serial=0

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035074026

NS for

loopback.cn

Subdomains

ns1.loopback.cn
ns2.loopback.cn
a.loopback.cn
mx1.loopback.cn
dns2.loopback.cn
mx2.loopback.cn
dns1.loopback.cn

Same first word

loopback.us
loopback.host
loopback.ro
loopback.se
loopback.net
loopback.com.br
loopback.ai
loopback.co
loopback.be
loopback.at
loopback.dk
loopback.de
loopback.hu
loopback.com
loopback.co.uk
loopback.cl
loopback.name
loopback.technology
loopback.org
loopback.ca
loopback.cn
loopback.fr
loopback.edu
loopback.biz
loopback.ru
loopback.no
loopback.es
loopback.to
loopback.me
loopback.in
loopback.link
loopback.management
loopback.io
loopback.systems
loopback.pe.kr
loopback.network
loopback.nl
loopback.it
loopback.ch
loopback.fi
loopback.awsapps.com
loopback.pl

Similar names

backloop.ai
backloop.org
backloop.com
clapbook.com
backloop.de
backloop.be
bookclap.com
bookclap.blogspot.com
poolback.com
backloop.nl
poblocka.com
backloop.ca
backloop.biz
lookpcba.com
bolkocpa.com
backloop.it
poolback.es
backloop.dev

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSloopback.cnns1.loopback.cnns2.loopback.cndns1.loopback.cndns2.loopback.cndns21.hichina.comdns22.hichina.comMX0dd1d92837804ca5e60236821e2b83.pamx1.hotmail.comA121.40.163.2152408:4005:34c:2942:fedc:ba98:7654:3210221.12.34.56CNAMEa.loopback.cn
○NSdns1.loopback.cn2015-07-09 → 2016-12-23 · 4 obs
● 2015-07-09 12:48:26
● 2016-12-23 12:42:12
○ 2021-09-19 13:12:08
○ 2026-07-22 08:49:38
○NSdns2.loopback.cn2015-07-09 → 2016-12-23 · 4 obs
● 2015-07-09 12:48:26
● 2016-12-23 12:42:12
○ 2021-09-19 13:12:08
○ 2026-07-22 08:49:38
○NSdns21.hichina.com2021-09-19 → 2026-06-08 · 5 obs
○ 2016-12-23 12:42:12
● 2021-09-19 13:12:08
● 2026-06-08 18:33:56
○ 2026-07-11 10:19:28
○ 2026-07-22 08:49:38
○NSdns22.hichina.com2021-09-19 → 2026-06-08 · 5 obs
○ 2016-12-23 12:42:12
● 2021-09-19 13:12:08
● 2026-06-08 18:33:56
○ 2026-07-11 10:19:28
○ 2026-07-22 08:49:38
●NSloopback.cn2026-07-11 → 2026-07-22 · 3 obs
○ 2026-06-08 18:33:56
● 2026-07-11 10:19:28
● 2026-07-22 08:49:38
●NSns1.loopback.cn2026-07-11 → 2026-07-22 · 3 obs
○ 2026-06-08 18:33:56
● 2026-07-11 10:19:28
● 2026-07-22 08:49:38
●NSns2.loopback.cn2026-07-11 → 2026-07-22 · 3 obs
○ 2026-06-08 18:33:56
● 2026-07-11 10:19:28
● 2026-07-22 08:49:38
○MX0dd1d92837804ca5e60236821e2b83.pamx1.hotmail.com2015-07-09 → 2016-12-23 · 4 obs
● 2015-07-09 12:48:26
● 2016-12-23 12:42:12
○ 2021-09-19 13:12:08
○ 2026-07-22 08:49:38
●A121.40.163.2152026-07-11 → 2026-07-22 · 3 obs
○ 2021-09-19 13:12:08
● 2026-07-11 10:19:28
● 2026-07-22 08:49:38
○A221.12.34.562015-07-09 → 2016-12-23 · 4 obs
● 2015-07-09 12:48:26
● 2016-12-23 12:42:12
○ 2021-09-19 13:12:08
○ 2026-07-22 08:49:38
●A2408:4005:34c:2942:fedc:ba98:7654:32102026-07-11 → 2026-07-22 · 3 obs
○ 2021-09-19 13:12:08
● 2026-07-11 10:19:28
● 2026-07-22 08:49:38
○CNAMEa.loopback.cn2026-02-20 → 2026-06-08 · 6 obs
● 2026-02-20 06:36:44
● 2026-05-28 05:02:10
○ 2026-06-07 05:37:12
● 2026-06-08 18:33:56
○ 2026-07-11 10:19:28
○ 2026-07-22 08:49:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
loopback.cnns1.loopback.cn, ns2.loopback.cn4 records

✅ Authoritative Response

Server:121.40.163.215

NS records: ns1.loopback.cn, ns2.loopback.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for loopback.cn (unsigned zone)

⏱️ Timing

Total: 1243ms | Queries: -

📄 Records

TypeCountSample Data
A1121.40.163.215
AAAA12408:4005:34c:2942:fedc:ba98:7654:3210
NS2ns2.loopback.cn, ns1.loopback.cn
SOA1loopback.cn rname.invalid

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.loopback.cn, ns1.loopback.cn, ns2.loopback.cn...)

Analysis

Hierarchy

The host names ns1.loopback.cn, ns2.loopback.cn, a.loopback.cn, mx1.loopback.cn and dns2.loopback.cn — among a few others — fall under the parent domain loopback.cn.

Name Server Role

loopback.cn acts as a name server for loopback.cn, meaning it is self-referentially delegated.

ns1.loopback.cn and ns2.loopback.cn are often used as name servers in combination with loopback.cn.

IP Addresses

loopback.cn has two IP addresses: 121.40.163.215 and 2408:4005:34c:2942:fedc:ba98:7654:3210

a.loopback.cn, mx1.loopback.cn, mx2.loopback.cn and two other host names share IP numbers with loopback.cn.

Name Servers

The DNS delegation for loopback.cn uses three name servers — loopback.cn, ns1.loopback.cn and ns2.loopback.cn.

loopback.cn, ns1.loopback.cn and ns2.loopback.cn all point to the same two IP addresses — 121.40.163.215 and 2408:4005:34c:2942:fedc:ba98:7654:3210.

The host names loopback.cn, ns1.loopback.cn and ns2.loopback.cn each resolve to 2408:4005:34c:2942:fedc:ba98:7654:3210.

The host names loopback.cn, ns1.loopback.cn and ns2.loopback.cn each resolve to 121.40.163.215.