51fbb.com - robtex.com
51fbb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.83.229.143🇺🇸 OWGELS-AS-AP154.83.224.0/20 AresIDC Limited | ||||||
| NS | a7.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 | ||||||
| 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 | ||||||
| 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 | ||||||
| NS | b7.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 | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1768328662 | ||||||
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=1774405722 | ||||||
Same first word
51fbb.com |
DNS History
16 records (5 active, 11 former)
●NSa.share-dns.com2026-03-17 → 2026-03-25 · 3 obs
● 2026-03-17 13:07:02
● 2026-03-25 02:32:06
○NSa5.share-dns.com2026-03-17 → 2026-03-17 · 4 obs
● 2026-03-17 13:07:02
○ 2026-03-25 02:32:04
○ 2026-03-25 02:32:06
●NSa7.share-dns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 02:32:04
● 2026-03-25 02:32:06
●NSb.share-dns.net2026-03-17 → 2026-03-25 · 3 obs
● 2026-03-17 13:07:02
● 2026-03-25 02:32:06
○NSb5.share-dns.net2026-03-17 → 2026-03-17 · 4 obs
● 2026-03-17 13:07:02
○ 2026-03-25 02:32:04
○ 2026-03-25 02:32:06
●NSb7.share-dns.net2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 02:32:04
● 2026-03-25 02:32:06
○NSns.cnkuai.cn2015-07-06 → 2016-05-06 · 6 obs
○ 2015-11-18 02:48:06
○ 2016-02-29 03:56:36
● 2016-05-06 10:33:56
○ 2016-12-31 08:11:16
○ 2026-03-25 02:32:06
○NSns.cnkuai.com2015-07-06 → 2017-10-25 · 6 obs
● 2016-02-29 03:56:36
○ 2016-05-06 10:33:56
● 2017-10-25 07:02:12
○ 2026-03-17 13:07:02
○ 2026-03-25 02:32:06
○NSns2.cnkuai.com2015-07-06 → 2017-10-25 · 7 obs
● 2015-11-18 02:48:06
○ 2016-05-06 10:33:56
● 2016-12-31 08:11:16
● 2017-10-25 07:02:12
○ 2026-03-17 13:07:02
○ 2026-03-25 02:32:06
○NSns3.cnkuai.cn2015-07-06 → 2016-12-31 · 5 obs
○ 2015-11-18 02:48:06
● 2016-12-31 08:11:16
○ 2017-10-25 07:02:12
○ 2026-03-25 02:32:06
○NSns3.cnkuai.com2015-07-06 → 2016-05-06 · 5 obs
○ 2015-11-18 02:48:06
● 2016-05-06 10:33:56
○ 2016-12-31 08:11:16
○ 2026-03-25 02:32:06
○MXmxbiz1.qq.com2015-07-06 → 2017-10-25 · 4 obs
● 2017-10-25 07:02:12
○ 2026-03-17 13:07:02
○ 2026-03-25 02:32:06
○MXmxbiz2.qq.com2015-07-06 → 2017-10-25 · 4 obs
● 2017-10-25 07:02:12
○ 2026-03-17 13:07:02
○ 2026-03-25 02:32:06
●A154.83.229.1432026-03-17 → 2026-03-25 · 3 obs
● 2026-03-17 13:07:02
● 2026-03-25 02:32:06
○A210.209.71.882016-05-06 → 2017-10-25 · 5 obs
● 2016-05-06 10:33:56
● 2017-10-25 07:02:12
○ 2026-03-17 13:07:02
○ 2026-03-25 02:32:06
○A58.64.171.2102015-07-06 → 2016-02-29 · 4 obs
● 2016-02-29 03:56:36
○ 2016-05-06 10:33:56
○ 2026-03-25 02:32:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net... | - |
| 51fbb.com | b7.share-dns.net, a7.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b7.share-dns.net, a7.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51fbb.com (unsigned zone)
⏱️ Timing
Total: 2263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.83.229.143 |
| 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 (a7.share-dns.com)
Analysis
IP Addresses
51fbb.com points to a single IP: 154.83.229.143.
Other host names, for instance xiaochashao.net, xingyuehuanbao.cn, yimaijk.com, dcsunrise.com and sancity-china.com share IP numbers with 51fbb.com.
Name Servers
51fbb.com's delegation is handled by four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.
51fbb.com partially shares name servers with other domains; examples include tj-kangsheng.com, ibuynz.com, setusys.com, greentechaircraft.com and 452797.net.
These name servers are commonly used alongside a1.share-dns.com, b1.share-dns.net, a2.share-dns.com, b2.share-dns.net, a12.share-dns.com, b12.share-dns.net, a5.share-dns.com, b5.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.
Host names sharing a single IP address:
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.