51guan.com - robtex.com

51guan.com

DNSSEC⚠️ Not signed
A156.250.155.53🇿🇦 POWERLINE-HK156.250.128.0/17 Digital Core Technology Co., Ltd
NSa7.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
NSb7.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=1751874243

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=1774909507

Same first word

51guan.com

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma7.share-dns.comb.share-dns.netb7.share-dns.netns.cdnhost.cnns.dnsfamily.comA156.250.155.53125.65.112.5147.52.97.92
●NSa.share-dns.com2026-02-21 → 2026-03-30 · 3 obs
○ 2017-01-15 03:05:46
● 2026-02-21 22:20:02
● 2026-03-30 22:53:28
●NSa7.share-dns.com2026-02-21 → 2026-03-30 · 3 obs
○ 2017-01-15 03:05:46
● 2026-02-21 22:20:02
● 2026-03-30 22:53:28
●NSb.share-dns.net2026-02-21 → 2026-03-30 · 3 obs
○ 2017-01-15 03:05:46
● 2026-02-21 22:20:02
● 2026-03-30 22:53:28
●NSb7.share-dns.net2026-02-21 → 2026-03-30 · 3 obs
○ 2017-01-15 03:05:46
● 2026-02-21 22:20:02
● 2026-03-30 22:53:28
○NSns.cdnhost.cn2015-06-29 → 2017-01-15 · 4 obs
● 2015-06-29 22:46:16
● 2017-01-15 03:05:46
○ 2026-02-21 22:20:02
○ 2026-03-30 22:53:28
○NSns.dnsfamily.com2015-06-29 → 2017-01-15 · 4 obs
● 2015-06-29 22:46:16
● 2017-01-15 03:05:46
○ 2026-02-21 22:20:02
○ 2026-03-30 22:53:28
○A125.65.112.512015-06-29 → 2017-01-15 · 4 obs
● 2015-06-29 22:46:16
● 2017-01-15 03:05:46
○ 2018-08-06 13:48:04
○ 2026-03-30 22:53:28
●A156.250.155.532026-02-21 → 2026-03-30 · 3 obs
○ 2018-08-06 13:48:04
● 2026-02-21 22:20:02
● 2026-03-30 22:53:28
○A47.52.97.922018-08-06 → 2018-08-06 · 4 obs
○ 2017-01-15 03:05:46
● 2018-08-06 13:48:04
○ 2026-02-21 22:20:02
○ 2026-03-30 22:53:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...-
51guan.comb7.share-dns.net, a7.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b7.share-dns.net, a7.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

TypeCountSample Data
A1156.250.155.53
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 (a7.share-dns.com)

Analysis

IP Addresses

51guan.com resolves to a single IP: 156.250.155.53.

Name Servers

51guan.com is delegated to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.

51guan.com shares some name servers with other domains, for example ttfour.com, xg796.com, baoxian-insurance.com, techminddigital.com and gsqhrj.com.

these name servers are often used with a6.share-dns.com, b6.share-dns.net, a4.share-dns.com, b4.share-dns.net, a5.share-dns.com, b5.share-dns.net, a2.share-dns.com, b2.share-dns.net, a9.share-dns.com and b9.share-dns.net.

Host names with one IP:

a7.share-dns.com points to 172.64.53.25

a.share-dns.com points to 172.64.53.25

b7.share-dns.net points to 172.64.52.239

b.share-dns.net points to 172.64.52.239

Host names pointing to 172.64.53.25: a7.share-dns.com and a.share-dns.com

Host names pointing to 172.64.52.239: b7.share-dns.net and b.share-dns.net