51mudan.com - robtex.com

51mudan.com

DNSSEC⚠️ Not signed
A38.63.213.75🇺🇸 PEGTECHINC38.63.192.0/19
NSa4.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb4.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1777622819

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=1778544541

Subdomains

ktvyulechengyulecheng.51mudan.com
sanyayulecheng.51mudan.com

Same first word

51mudan.com

DNS History

20 records (5 active, 15 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma4.share-dns.comb.share-dns.netb4.share-dns.netdns15.hichina.comdns16.hichina.comns1.72dns.comns1.alidns.comns1.expiredns.netns2.alidns.comns2.expiredns.netns2.idc1.cnA38.63.213.75103.251.238.232123.254.111.18438.11.216.23238.165.77.23547.88.50.1647.91.170.222CNAMEns.wangguai.com
●NSa.share-dns.com2026-04-18 → 2026-05-12 · 3 obs
○ 2018-07-01 19:25:16
● 2026-04-18 07:13:16
● 2026-05-12 00:34:20
●NSa4.share-dns.com2026-04-18 → 2026-05-12 · 3 obs
○ 2018-07-01 19:25:16
● 2026-04-18 07:13:16
● 2026-05-12 00:34:20
●NSb.share-dns.net2026-04-18 → 2026-05-12 · 3 obs
○ 2018-07-01 19:25:16
● 2026-04-18 07:13:16
● 2026-05-12 00:34:20
●NSb4.share-dns.net2026-04-18 → 2026-05-12 · 3 obs
○ 2018-07-01 19:25:16
● 2026-04-18 07:13:16
● 2026-05-12 00:34:20
○NSdns15.hichina.com2018-07-01 → 2018-07-01 · 4 obs
○ 2016-09-19 14:16:18
● 2018-07-01 19:25:16
○ 2026-04-18 07:13:16
○ 2026-05-12 00:34:20
○NSdns16.hichina.com2018-07-01 → 2018-07-01 · 4 obs
○ 2016-09-19 14:16:18
● 2018-07-01 19:25:16
○ 2026-04-18 07:13:16
○ 2026-05-12 00:34:20
○NSns1.72dns.com2015-06-14 → 2015-12-31 · 4 obs
● 2015-06-14 14:12:50
● 2015-12-31 03:16:42
○ 2016-04-16 22:51:46
○ 2026-05-12 00:34:20
○NSns1.alidns.com2016-09-19 → 2016-09-19 · 4 obs
○ 2016-04-16 22:51:46
● 2016-09-19 14:16:18
○ 2018-07-01 19:25:16
○ 2026-05-12 00:34:20
○NSns1.expiredns.net2016-04-16 → 2016-04-16 · 4 obs
○ 2015-12-31 03:16:42
● 2016-04-16 22:51:46
○ 2016-09-19 14:16:18
○ 2026-05-12 00:34:20
○NSns2.alidns.com2016-09-19 → 2016-09-19 · 4 obs
○ 2016-04-16 22:51:46
● 2016-09-19 14:16:18
○ 2018-07-01 19:25:16
○ 2026-05-12 00:34:20
○NSns2.expiredns.net2016-04-16 → 2016-04-16 · 4 obs
○ 2015-12-31 03:16:42
● 2016-04-16 22:51:46
○ 2016-09-19 14:16:18
○ 2026-05-12 00:34:20
○NSns2.idc1.cn2015-06-14 → 2015-12-31 · 4 obs
● 2015-06-14 14:12:50
● 2015-12-31 03:16:42
○ 2016-04-16 22:51:46
○ 2026-05-12 00:34:20
○A103.251.238.2322015-06-14 → 2015-10-26 · 4 obs
● 2015-06-14 14:12:50
● 2015-10-26 18:33:10
○ 2016-04-16 22:51:46
○ 2026-05-12 00:34:20
○A123.254.111.1842016-04-16 → 2016-04-16 · 4 obs
○ 2015-10-26 18:33:10
● 2016-04-16 22:51:46
○ 2016-09-19 14:16:18
○ 2026-05-12 00:34:20
○A38.11.216.2322026-04-18 → 2026-04-18 · 4 obs
○ 2018-07-01 19:25:16
● 2026-04-18 07:13:16
○ 2026-04-23 16:24:14
○ 2026-05-12 00:34:20
○A38.165.77.2352026-04-23 → 2026-04-23 · 4 obs
○ 2026-04-18 07:13:16
● 2026-04-23 16:24:14
● 2026-04-23 19:47:26
○ 2026-05-12 00:34:20
●A38.63.213.752026-05-12 → 2026-05-12 · 2 obs
○ 2026-04-23 19:47:26
● 2026-05-12 00:34:20
○A47.88.50.162016-09-19 → 2016-09-19 · 4 obs
○ 2016-04-16 22:51:46
● 2016-09-19 14:16:18
○ 2018-07-01 19:25:16
○ 2026-05-12 00:34:20
○A47.91.170.2222018-07-01 → 2018-07-01 · 4 obs
○ 2016-09-19 14:16:18
● 2018-07-01 19:25:16
○ 2026-04-18 07:13:16
○ 2026-05-12 00:34:20
○CNAMEns.wangguai.com2016-09-19 → 2016-09-19 · 3 obs
● 2016-09-19 14:16:18
○ 2018-07-01 19:25:16
○ 2026-05-12 00:34:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...-
51mudan.comb4.share-dns.net, a4.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b4.share-dns.net, a4.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51mudan.com (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

TypeCountSample Data
A138.63.213.75
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a4.share-dns.com)

Analysis

Hierarchy

51mudan.com is parent of ktvyulechengyulecheng.51mudan.com and sanyayulecheng.51mudan.com.

IP Addresses

51mudan.com resolves to a single IP address: 38.63.213.75.

Other host names such as anewcampus.com, jinbangjia.com, cx-jfnjl.com and www.gdjhb.com share IP numbers with 51mudan.com.

Name Servers

51mudan.com is delegated to four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.

51mudan.com at least partially shares name servers with other domains, including zhxzd.com, a619.com, gthchina.com, abutoday.com and whajlg.com.

These name servers are typically used together with the name servers a2.share-dns.com, b2.share-dns.net, a11.share-dns.com, b11.share-dns.net, a7.share-dns.com, b7.share-dns.net, a10.share-dns.com, b10.share-dns.net, a12.share-dns.com and b12.share-dns.net.

Host names with a single IP number:

a4.share-dns.com resolves to 172.64.53.25.

a.share-dns.com resolves to 172.64.53.25.

b4.share-dns.net resolves to 172.64.52.239.

b.share-dns.net resolves to 172.64.52.239.

Host names pointing to 172.64.53.25: a4.share-dns.com, a.share-dns.com.

Host names pointing to 172.64.52.239: b4.share-dns.net, b.share-dns.net.