coma9.vn - robtex.com
coma9.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.131.74.30🇻🇳 SUPERDATA103.131.74.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| NS | ns1.dotvndns.vn ⭐ | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.dotvndns.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.dotvndns.com | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| MX | mail.coma9.vn ⭐ | ||||||
| A | 112.213.89.55🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | mx8955.maychuemail.net | ||||||
| TXT | google-site-verification=G66vdCy7oey00VNz-KDlLV68txBIQ1bttaqytZhcVlw | ||||||
| TXT | v=spf1 a mx ip4:112.213.89.55 a:ns8955.dotvndns.vn mx:coma9.vn -all | ||||||
| SOA | ns1.dotvndns.vnhostmaster@coma9.vn 2026-04-19 #49 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030753578 | ||||||
Subdomains
mail.coma9.vn |
Same first word
coma9.vn |
Similar names
DNS History
8 records (5 active, 3 former)
○NS(root)2017-01-05 → 2017-08-24 · 5 obs
● 2017-01-05 20:51:34
● 2017-08-24 21:21:30
○ 2026-04-30 17:34:00
○ 2026-05-09 22:54:28
●NSns1.dotvndns.vn2015-05-17 → 2026-05-09 · 2 obs
● 2026-05-09 22:54:28
●NSns2.dotvndns.vn2015-05-17 → 2026-05-09 · 2 obs
● 2026-05-09 22:54:28
●NSnsbak.dotvndns.com2026-04-30 → 2026-05-09 · 3 obs
● 2026-04-30 17:34:00
● 2026-05-09 22:54:28
●MXmail.coma9.vn2015-05-17 → 2026-05-09 · 2 obs
● 2026-05-09 22:54:28
●A103.131.74.302026-04-30 → 2026-05-09 · 3 obs
● 2026-04-30 17:34:00
● 2026-05-09 22:54:28
○A112.213.89.112015-05-17 → 2016-03-11 · 4 obs
● 2016-03-11 19:19:18
○ 2016-09-08 19:13:22
○ 2026-05-09 22:54:28
○A112.213.89.212016-09-08 → 2017-08-24 · 5 obs
● 2016-09-08 19:13:22
● 2017-08-24 21:21:30
○ 2026-04-30 17:34:00
○ 2026-05-09 22:54:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| coma9.vn | nsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: nsbak.dotvndns.com, ns2.dotvndns.vn, ns1.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coma9.vn (unsigned zone)
⏱️ Timing
Total: 1670ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.131.74.30 |
| NS | 3 | ns2.dotvndns.vn, ns1.dotvndns.vn... |
| MX | 1 | mail.coma9.vn (pri: 10) |
| TXT | 2 | google-site-verification=G66vdCy7oey00VN, v=spf1 a mx ip4:112.213.89.55 a:ns8955.d |
| SOA | 1 | ns1.dotvndns.vn hostmaster.coma9.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
Hierarchy
coma9.vn is the parent of mail.coma9.vn.
IP Addresses
coma9.vn points to a single IP number: 103.131.74.30.
other host names for instance www.thelong.com.vn, iltelefoninonline.thanhthoi.vn, cfg.thanhthoi.vn, mail.vietnamchefs.com and dpn.vn share IP numbers with coma9.vn.
Name Servers
coma9.vn is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.
coma9.vn at least partially shares name servers with other domains, for instance dulieubatdongsan.com.vn, license.vn, baababy.com.vn, sunstar.vn and mrmanh.com.
These name servers are commonly used alongside the name servers ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and nsbak.dotvndns.vn.
Host names with two IP numbers:
Host nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22.
Host ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3.
Host ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247.
Mail Servers
coma9.vn is handled by a single mail server, mail.coma9.vn.
Host name mail.coma9.vn points to IP address 112.213.89.55.