51dingchang.com - robtex.com
51dingchang.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 149.104.173.19🇺🇸 NEBULA-GLOBAL149.104.173.0/24 STARCLOUD GLOBAL | ||||||
| NS | a9.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| NS | b9.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1759505178 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
51dingchang.com |
DNS History
15 records (5 active, 10 former)
●NSa.share-dns.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 15:37:22
●NSa9.share-dns.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 15:37:22
●NSb.share-dns.net2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 15:37:22
●NSb9.share-dns.net2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 15:37:22
○NSns1.cnolnic.com2015-06-29 → 2017-10-19 · 3 obs
● 2017-10-19 07:22:00
○ 2026-03-23 15:37:22
○NSns2.cnolnic.com2015-06-29 → 2017-10-19 · 3 obs
● 2017-10-19 07:22:00
○ 2026-03-23 15:37:22
○MXmail.51dingchang.com2015-06-29 → 2016-01-17 · 4 obs
● 2016-01-17 22:09:04
○ 2016-04-14 14:22:50
○ 2026-03-23 15:37:22
○MXmxbiz1.qq.com2016-04-14 → 2017-10-19 · 4 obs
● 2016-04-14 14:22:50
● 2017-10-19 07:22:00
○ 2026-03-23 15:37:22
○MXmxbiz2.qq.com2016-04-14 → 2017-10-19 · 4 obs
● 2016-04-14 14:22:50
● 2017-10-19 07:22:00
○ 2026-03-23 15:37:22
○A112.74.196.672015-11-01 → 2016-04-14 · 5 obs
● 2015-11-01 01:22:50
● 2016-04-14 14:22:50
○ 2016-12-22 13:22:04
○ 2026-03-23 15:37:22
○A14.23.153.832015-06-29 → 2015-06-29 · 3 obs
○ 2015-11-01 01:22:50
○ 2026-03-23 15:37:22
○A14.23.153.842015-06-29 → 2015-06-29 · 3 obs
○ 2015-11-01 01:22:50
○ 2026-03-23 15:37:22
●A149.104.173.192026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 15:37:22
○A221.5.97.832015-06-29 → 2015-06-29 · 3 obs
○ 2015-11-01 01:22:50
○ 2026-03-23 15:37:22
○A221.5.97.842015-06-29 → 2015-06-29 · 3 obs
○ 2015-11-01 01:22:50
○ 2026-03-23 15:37:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51dingchang.com | b9.share-dns.net, a9.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b9.share-dns.net, a9.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51dingchang.com (unsigned zone)
⏱️ Timing
Total: 334ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.104.173.19 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a9.share-dns.com)
Analysis
IP Addresses
51dingchang.com resolves to one IP number: 149.104.173.19.
Name Servers
51dingchang.com is delegated to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.
51dingchang.com at least partially shares name servers with other domains, for instance summerschoolinturkey.com, jsrowei.com, inmyair.com, fsybs.com and jshongri.com.
These name servers are commonly used with the following name servers: a2.share-dns.com, b2.share-dns.net, a6.share-dns.com, b6.share-dns.net, a5.share-dns.com, b5.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a7.share-dns.com and b7.share-dns.net.
Host names with a single IP:
a9.share-dns.com points to 172.64.53.25.
a.share-dns.com points to 172.64.53.25.
b9.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: a9.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239: b9.share-dns.net and b.share-dns.net.