b644.com - robtex.com
b644.com
| CNAME | exp.gname.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.65.211.209🇺🇸 Cloudflare172.65.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1785739792 | ||||||
Subdomains
mailserver.b644.com |
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NS(root)2015-07-17 → 2018-07-17 · 4 obs
● 2015-07-17 07:37:54
● 2018-07-17 09:43:04
○ 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
● 2018-07-17 09:43:04
○ 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
○NSa.share-dns.com2026-04-10 → 2026-04-10 · 3 obs
○ 2018-07-17 09:43:04
● 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
● 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
○NSb.share-dns.net2026-04-10 → 2026-04-10 · 3 obs
○ 2018-07-17 09:43:04
● 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
● 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
●NSexpire1.gname-dns.com2026-08-03 → 2026-08-03 · 2 obs
○ 2026-04-10 02:56:02
● 2026-08-03 06:55:52
● 2026-08-03 06:55:52
●NSexpire2.gname-dns.com2026-08-03 → 2026-08-03 · 2 obs
○ 2026-04-10 02:56:02
● 2026-08-03 06:55:52
● 2026-08-03 06:55:52
○A156.252.115.82026-04-10 → 2026-04-10 · 3 obs
○ 2018-07-17 09:43:04
● 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
● 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
○A222.76.211.1742015-07-17 → 2018-07-17 · 4 obs
● 2015-07-17 07:37:54
● 2018-07-17 09:43:04
○ 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
● 2018-07-17 09:43:04
○ 2026-04-10 02:56:02
○ 2026-08-03 06:55:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net... | - |
| b644.com | expire1.gname-dns.com, expire2.gname-dns.com | 2 records |
✅ Authoritative Response
Server:172.64.53.233
NS records: expire1.gname-dns.com, expire2.gname-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b644.com (unsigned zone)
⏱️ Timing
Total: 586ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | expire1.gname-dns.com, expire2.gname-dns.com |
| CNAME | 1 | exp.gname.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (expire1.gname-dns.com, expire2.gname-dns.com)
Analysis
Hierarchy
mailserver.b644.com is a subdomain of b644.com.
IP Addresses
b644.com directs to one IP number, which is 172.65.211.209.
Among the host names that share IP numbers with b644.com are 80f-shang.com, dgfangjiaoshi.com, wuyoukongche.com and two others.