737u.com - robtex.com
737u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.78.152.212🇺🇸 HETZNER-CLOUD3-AS5.78.152.0/24 | ||||||
| PTR | static.212.152.78.5.clients.your-server.de | ||||||
| NS | tutu2.ns1.tutu-caonima.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 45.76.172.126 | ||||||
| A | 104.238.141.130 | ||||||
| NS | niuniu1.ns1.niuniu-dns.com ⚠️ Not in parent delegation | ||||||
| A | 45.76.172.126 | ||||||
| A | 104.238.141.130 | ||||||
| NS | niuniu2.ns2.niuniu-dns.com ⚠️ Not in parent delegation | ||||||
| A | 45.76.172.126 | ||||||
| A | 104.238.141.130 | ||||||
| NS | ns1.niuniu-dns.com ⚠️ Not in zone NS records | ||||||
| A | 39.104.142.55 | ||||||
| A | 45.76.63.24 | ||||||
| A | 208.109.233.240 | ||||||
| NS | ns1.smartdns.sbs ⚠️ Not in parent delegation | ||||||
| A | 45.76.172.126 | ||||||
| A | 104.238.141.130 | ||||||
| NS | ns2.niuniu-dns.com ⚠️ Not in zone NS records | ||||||
| A | 39.104.142.55 | ||||||
| A | 45.76.63.24 | ||||||
| A | 208.109.233.240 | ||||||
| NS | ns2.smartdns.sbs ⚠️ Not in parent delegation | ||||||
| A | 45.76.172.126 | ||||||
| A | 104.238.141.130 | ||||||
| NS | tutu1.ns2.tutu-caonima.com ⚠️ Not in parent delegation | ||||||
| A | 45.76.172.126 | ||||||
| A | 104.238.141.130 | ||||||
| SOA | tutu2.ns1.tutu-caonima.comhostmaster@737u.com 2026-05-15 #2 | ||||||
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=1778843226 | ||||||
Same first word
737u.com |
Similar names
DNS History
25 records (9 active, 16 former)
○NScloud1.aegins-dns.com2015-10-19 → 2017-03-22 · 5 obs
● 2015-10-19 01:30:04
● 2017-03-22 21:02:30
○ 2026-03-21 08:58:08
○ 2026-05-15 11:09:28
○NScloud2.aegins-dns.com2015-10-19 → 2017-03-22 · 5 obs
● 2015-10-19 01:30:04
● 2017-03-22 21:02:30
○ 2026-03-21 08:58:08
○ 2026-05-15 11:09:28
○NSdnscao.com2015-05-30 → 2015-05-30 · 3 obs
○ 2015-10-19 01:30:04
○ 2026-05-15 11:09:28
●NSniuniu1.ns1.niuniu-dns.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
●NSniuniu2.ns2.niuniu-dns.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
●NSns1.niuniu-dns.com2026-03-21 → 2026-05-15 · 3 obs
● 2026-03-21 08:58:08
● 2026-05-15 11:09:28
●NSns1.smartdns.sbs2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
●NSns2.niuniu-dns.com2026-03-21 → 2026-05-15 · 3 obs
● 2026-03-21 08:58:08
● 2026-05-15 11:09:28
●NSns2.smartdns.sbs2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
●NStutu1.ns2.tutu-caonima.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
●NStutu2.ns1.tutu-caonima.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
○A103.28.248.02015-10-19 → 2015-12-24 · 5 obs
● 2015-10-19 01:30:04
● 2015-12-24 03:38:18
○ 2016-03-23 23:45:44
○ 2026-05-15 11:09:28
○A107.154.112.452016-03-23 → 2016-03-23 · 4 obs
● 2016-03-23 23:45:44
○ 2016-07-21 23:31:40
○ 2026-05-15 11:09:28
○A149.126.74.2142016-07-21 → 2016-07-21 · 4 obs
● 2016-07-21 23:31:40
○ 2017-03-22 21:02:30
○ 2026-05-15 11:09:28
○A192.133.80.1472017-03-22 → 2017-03-22 · 4 obs
● 2017-03-22 21:02:30
○ 2026-03-21 08:58:08
○ 2026-05-15 11:09:28
○A192.230.64.02015-10-19 → 2015-12-24 · 5 obs
● 2015-10-19 01:30:04
● 2015-12-24 03:38:18
○ 2016-03-23 23:45:44
○ 2026-05-15 11:09:28
○A192.230.67.1052015-10-19 → 2015-10-19 · 4 obs
● 2015-10-19 01:30:04
○ 2015-12-24 03:38:18
○ 2026-05-15 11:09:28
○A198.143.51.02015-10-19 → 2015-12-24 · 5 obs
● 2015-10-19 01:30:04
● 2015-12-24 03:38:18
○ 2016-03-23 23:45:44
○ 2026-05-15 11:09:28
○A199.83.129.952015-12-24 → 2015-12-24 · 4 obs
● 2015-12-24 03:38:18
○ 2016-03-23 23:45:44
○ 2026-05-15 11:09:28
○A199.83.131.952015-12-24 → 2015-12-24 · 4 obs
● 2015-12-24 03:38:18
○ 2016-03-23 23:45:44
○ 2026-05-15 11:09:28
●A5.78.152.2122026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 11:09:24
● 2026-05-15 11:09:28
○A96.44.167.582015-05-30 → 2015-05-30 · 3 obs
○ 2026-03-21 08:58:08
○ 2026-05-15 11:09:28
○CNAMEddd42.4xxtt.com2015-10-19 → 2026-05-03 · 4 obs
● 2026-05-03 10:57:30
○ 2026-05-15 11:09:24
○ 2026-05-15 11:09:28
○CNAMEmctws.x.incapdns.net2016-07-21 → 2016-07-21 · 4 obs
● 2016-07-21 23:31:40
○ 2017-03-22 21:02:30
○ 2026-05-15 11:09:28
○CNAMEzg5yc.x.incapdns.net2016-03-23 → 2016-03-23 · 4 obs
● 2016-03-23 23:45:44
○ 2016-07-21 23:31:40
○ 2026-05-15 11:09:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| 737u.com | ns1.niuniu-dns.com, ns2.niuniu-dns.com | 2 records |
✅ Authoritative Response
Server:104.238.141.130
NS records: ns1.niuniu-dns.com, ns2.niuniu-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 737u.com (unsigned zone)
⏱️ Timing
Total: 1461ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.78.152.212 |
| NS | 6 | ns1.smartdns.sbs, tutu1.ns2.tutu-caonima.com... |
| SOA | 1 | tutu2.ns1.tutu-caonima.com hostmaster.73 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.niuniu-dns.com, ns2.niuniu-dns.com)
Analysis
IP Addresses
737u.com points to a single IP: 5.78.152.212.
Other host names, for instance 89rx.com, 98san.com, 87ji.com, 65gr.com and 87qm.com share IP numbers with 737u.com.
Name Servers
737u.com is delegated to eight name servers: ns1.niuniu-dns.com, ns2.niuniu-dns.com, ns1.smartdns.sbs, ns2.smartdns.sbs, niuniu1.ns1.niuniu-dns.com, niuniu2.ns2.niuniu-dns.com, tutu2.ns1.tutu-caonima.com and tutu1.ns2.tutu-caonima.com.
737u.com at least partially shares its name servers with other domains, for instance 33die.com, 75bai.com, 07en.com, 42ssd.com and 26lve.com.
Host names with three IP numbers:
The host name ns1.niuniu-dns.com points to: 39.104.142.55, 45.76.63.24 and 208.109.233.240.
The host name ns2.niuniu-dns.com points to: 39.104.142.55, 45.76.63.24 and 208.109.233.240.
Host names with two IP numbers:
The host name ns1.smartdns.sbs points to: 45.76.172.126 and 104.238.141.130.
The host name ns2.smartdns.sbs points to: 45.76.172.126 and 104.238.141.130.
The host name niuniu1.ns1.niuniu-dns.com points to: 45.76.172.126 and 104.238.141.130.
The host name niuniu2.ns2.niuniu-dns.com points to: 45.76.172.126 and 104.238.141.130.
The host name tutu2.ns1.tutu-caonima.com points to: 45.76.172.126 and 104.238.141.130.
The host name tutu1.ns2.tutu-caonima.com points to: 45.76.172.126 and 104.238.141.130.
Host names that point to 39.104.142.55 : ns1.niuniu-dns.com and ns2.niuniu-dns.com.
Host names that point to 45.76.63.24 : ns1.niuniu-dns.com and ns2.niuniu-dns.com.
Host names that point to 208.109.233.240 : ns1.niuniu-dns.com and ns2.niuniu-dns.com.
Host names that point to 45.76.172.126 : ns1.smartdns.sbs, ns2.smartdns.sbs, niuniu1.ns1.niuniu-dns.com, niuniu2.ns2.niuniu-dns.com, tutu2.ns1.tutu-caonima.com and tutu1.ns2.tutu-caonima.com.
Host names that point to 104.238.141.130 : ns1.smartdns.sbs, ns2.smartdns.sbs, niuniu1.ns1.niuniu-dns.com, niuniu2.ns2.niuniu-dns.com, tutu2.ns1.tutu-caonima.com and tutu1.ns2.tutu-caonima.com.