cernet.com - dns.ninja

cernet.com

DNSSEC⚠️ Not signed
NSns2.net.edu.cn ⭐ ⚠️ Not in zone NS records
A202.112.0.13🇨🇳 ERX-CERNET-BKB202.112.0.0/24 CMI (Customer Route)
PTRdns2.edu.cn
NSdns.edu.cn ⚠️ Not in parent delegation
A2001:250:c006::35🇨🇳 ERX-CERNET-BKB2001:250:c006::/48
PTRdns.edu.cn
A202.38.109.35🇨🇳 ERX-CERNET-BKB202.38.109.0/24 PACNET (proxy-registered route object)
PTRdns.edu.cn
NSdns2.edu.cn
A2001:da8:1:100::13🇨🇳 CNGI-CERNET2-AS-AP2001:da8::/32
PTRdns2.edu.cn
A202.112.0.13🇨🇳 ERX-CERNET-BKB202.112.0.0/24 CMI (Customer Route)
PTRdns2.edu.cn
MXmail.cernet.com ⭐
A2001:da8:243:61:202:205:11:8🇨🇳 ERX-CERNET-BKB2001:da8:243::/48
A202.205.11.8🇨🇳 ERX-CERNET-BKB202.200.0.0/13
TXTv=spf1 redirect=spf.cernet.com
SOAns2.net.edu.cnhostmaster@dns.edu.cn 2015-11-16 #67

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784296707
📈 Tranco rank: #471,815

Subdomains

mail0.cernet.com
rain.cernet.com
staff.cernet.com
ns2.cernet.com
www.cernet.com
ns1.cernet.com
mail2.cernet.com
mail1.cernet.com
sec.cernet.com
mail.cernet.com
col.cernet.com

Same first word

cernet.edu.cn
cernet.cz
cernet.cc
cernet.edu
cernet.de
cernet.fr
cernet.cl
cernet.at
cernet.nl
cernet.com
cernet.cn
cernet.org
cernet.ru
cernet.com.ph
cernet.com.ar
cernet.dk
cernet.it
cernet.net

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crenet.cn
center.email
crenet.org
rentec.ru
center.lv
centre.dk
erntec.net.au
recent.digital
netrec.net
center.health
recent.works
recent.ws
center.sg
center.poltava.ua
recent.cn
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recnet.ru
center.org.ua
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ercent.com
entrec.be
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recent.kr
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tecner.net
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center.li
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centre.ro
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centre.io

DNS History

6 records (4 active, 2 former)

201020122014201620182020202220242026NSdns.edu.cndns2.edu.cnns2.net.edu.cnMXmail.cernet.commail.gw.cernet.commail0.cernet.com
●NSdns.edu.cn2009-07-03 → 2026-07-17 · 2 obs
● 2009-07-03 18:49:26
● 2026-07-17 14:20:48
●NSdns2.edu.cn2026-02-15 → 2026-07-17 · 21 obs
○ 2009-07-03 18:49:26
● 2026-02-15 08:52:16
● 2026-06-05 08:16:32
○ 2026-06-05 20:16:52
● 2026-06-06 09:56:28
● 2026-06-11 07:07:26
○ 2026-06-11 21:01:30
● 2026-06-11 21:36:28
● 2026-06-17 00:52:54
○ 2026-06-17 03:43:50
● 2026-06-17 21:29:28
● 2026-06-18 07:41:36
○ 2026-06-18 09:55:10
● 2026-06-19 09:05:08
○ 2026-06-22 09:40:52
● 2026-06-22 17:38:08
○ 2026-06-29 14:25:30
● 2026-07-01 07:07:52
○ 2026-07-09 12:31:14
● 2026-07-10 00:15:06
● 2026-07-17 14:20:48
●NSns2.net.edu.cn2009-07-03 → 2026-07-17 · 2 obs
● 2009-07-03 18:49:26
● 2026-07-17 14:20:48
●MXmail.cernet.com2015-07-13 → 2026-07-17 · 24 obs
○ 2009-07-03 18:49:26
● 2015-07-13 10:39:48
● 2026-05-20 06:15:58
○ 2026-05-21 11:10:38
● 2026-05-24 12:05:24
● 2026-06-05 08:16:32
○ 2026-06-05 20:16:52
● 2026-06-06 09:56:28
● 2026-06-11 07:07:26
○ 2026-06-11 21:01:30
● 2026-06-11 21:36:28
● 2026-06-17 00:52:54
○ 2026-06-17 03:43:50
● 2026-06-17 21:29:28
● 2026-06-18 07:41:36
○ 2026-06-18 09:55:10
● 2026-06-19 09:05:08
○ 2026-06-22 09:40:52
● 2026-06-22 17:38:08
○ 2026-06-29 14:25:30
● 2026-07-01 07:07:52
○ 2026-07-09 12:31:14
● 2026-07-10 00:15:06
● 2026-07-17 14:20:48
○MXmail.gw.cernet.com2015-07-13 → 2018-04-24 · 5 obs
○ 2009-07-03 18:49:26
● 2015-07-13 10:39:48
● 2018-04-24 11:47:18
○ 2021-02-22 04:54:52
○ 2026-07-17 14:20:48
○MXmail0.cernet.com2009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 18:49:26
○ 2015-07-13 10:39:48
○ 2026-07-17 14:20:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
cernet.comns2.net.edu.cn, dns.edu.cn-

✅ Authoritative Response

Server:202.38.109.35

NS records: ns2.net.edu.cn, dns.edu.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cernet.com (unsigned zone)

⏱️ Timing

Total: 3670ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns2.edu.cn, dns.edu.cn
MX1mail.cernet.com (pri: 10)
TXT1v=spf1 redirect=spf.cernet.com
SOA1ns2.net.edu.cn hostmaster.dns.edu.cn

Analysis

Hierarchy

Among the subdomains of cernet.com are mail0.cernet.com, rain.cernet.com, staff.cernet.com, ns2.cernet.com, www.cernet.com and a few other host names.

Name Servers

cernet.com carries NS records delegating to dns2.edu.cn, dns.edu.cn and ns2.net.edu.cn.

There is at least partial name server overlap between cernet.com and other domains — 23.222.in-addr.arpa, 97.38.202.in-addr.arpa, 184.1.in-addr.arpa and two more among them.

These name servers regularly appear alongside dns5.edu.cn, dns6.edu.cn, dns.tsinghua.edu.cn and 7 other name servers in NS record sets.

Hosts with two IP numbers each:

dns2.edu.cn resolves to two addresses: 202.112.0.13 and 2001:da8:1:100::13.

dns.edu.cn resolves to two addresses: 202.38.109.35 and 2001:250:c006::35.

Hosts that resolve to one IP address:

The hostname ns2.net.edu.cn resolves to 202.112.0.13.

dns2.edu.cn along with ns2.net.edu.cn each resolve to 202.112.0.13 IP addresses.

Mail Servers

cernet.com routes its mail through a single mail server, mail.cernet.com.

cernet.com and domains like staff.cernet.com share an identical mail server configuration.

mail.cernet.com carries two IP numbers: 202.205.11.8 and 2001:da8:243:61:202:205:11:8.