1b1u.com - robtex.com
1b1u.com
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=1775975732 | ||||||
Same first word
1b1u.com |
Similar names
DNS History
9 records (5 active, 4 former)
○NSdns.bizcn.com2016-12-20 → 2016-12-20 · 3 obs
○ 2026-04-07 10:36:28
○ 2026-04-12 06:55:58
●NSf1g1ns1.dnspod.net2026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 10:36:28
● 2026-04-12 06:55:58
●NSf1g1ns2.dnspod.net2026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 10:36:28
● 2026-04-12 06:55:58
○NSns7.cnmsn.net2016-12-20 → 2016-12-20 · 3 obs
○ 2026-04-07 10:36:28
○ 2026-04-12 06:55:58
○NSns8.cnmsn.net2016-12-20 → 2016-12-20 · 3 obs
○ 2026-04-07 10:36:28
○ 2026-04-12 06:55:58
○A120.25.217.1972016-12-20 → 2016-12-20 · 3 obs
○ 2026-04-07 10:36:28
○ 2026-04-12 06:55:58
●A47.106.73.912018-07-26 → 2026-04-12 · 3 obs
● 2018-07-26 18:25:28
● 2026-04-12 06:55:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 1b1u.com | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:111.13.13.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1b1u.com (unsigned zone)
⏱️ Timing
Total: 666ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.106.73.91 |
| NS | 2 | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
Analysis
IP Addresses
1b1u.com points to IP number: 47.106.73.91.
Name Servers
1b1u.com is delegated to two name servers: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
1b1u.com shares the same name server setup as uladder.com, xybx.cn, 51ying.net, rhynss.com and leidian.com.cn.
1b1u.com at least partially shares name servers with other domains, for instance znzzsn(0x736578)23.icu, gziou.com, 16erxj.icu, ys.am and eyabeauty.com.
these name servers are commonly used together with the name servers c.dnspod.com, a.dnspod.com, b.dnspod.com, ns11.xincache.com and ns12.xincache.com.
Eight IP numbers: f1g1ns2.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.
Seven IP numbers: f1g1ns1.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.
Mail Servers
1b1u.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
The mail server setup for 1b1u.com matches that of other domains, for instance d1by.com, lefou666.com, playfun.me, qdolin.com and bs-car.com.
1b1u.com shares mail servers with other domains, for instance haxijie.com and shouup.com.