tongkhofb.com - robtex.com
tongkhofb.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=1774531507 | ||||||
Subdomains
mail.tongkhofb.com |
Same first word
tongkhofb.com |
DNS History
5 records (5 active, 0 former)
●MXmail.tongkhofb.com2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 13:37:56
●A103.200.23.1792026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 13:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| tongkhofb.com | ns-a1.tenten.vn, ns-a2.tenten.vn, ns-a3.tenten.vn | - |
✅ Authoritative Response
Server:150.95.111.47
NS records: ns-a1.tenten.vn, ns-a2.tenten.vn, ns-a3.tenten.vn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2075ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.200.23.179 |
| NS | 3 | ns-a2.tenten.vn, ns-a1.tenten.vn... |
| MX | 1 | mail.tongkhofb.com (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:103.200.23.179 ~all |
| SOA | 1 | ns-a2.tenten.vn noreply.tenten.vn |
Analysis
Hierarchy
The parent of mail.tongkhofb.com is tongkhofb.com.
IP Addresses
tongkhofb.com points to an IP address: 103.200.23.179.
other host names include apator.vn, kingmu.co, tonybed.com, dabatlua.com and xaydungnamson.com; they share IP numbers with tongkhofb.com.
Name Servers
tongkhofb.com is delegated to three name servers ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn.
tongkhofb.com at least partially shares name servers with other domains, for instance trungkienmobile.com, tongdaifpt.net, canho-saigon.com, vmsvn.com and isuzulongbien.net.
Host names with two IP numbers:
ns-a1.tenten.vn points to 2404:f080:1101:323:a150:95:115:1010 and 137.59.104.65; ns-a2.tenten.vn points to 2404:f080:1101:323:a150:95:115:1011 and 137.59.104.66; ns-a3.tenten.vn points to 2404:f080:1101:323:a150:95:115:1012 and 150.95.111.47.
Mail Servers
tongkhofb.com is handled by a single mail server, mail.tongkhofb.com.
The host name mail.tongkhofb.com points to IP 103.200.23.179.