job2k.com - robtex.com
job2k.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.coi.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 | mr.coi.vn | ||||||
| NS | ns2.coi.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| MX | mr.dotvndns.vn ⭐ | ||||||
| A | 222.255.121.227🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | mailserver5.pavietnam.net | ||||||
| PTR | mr.dotvndns.vn | ||||||
| PTR | mailserver5.pavietnam.vn | ||||||
| PTR | mr.pavietnam.vn | ||||||
| SOA | ns1.coi.vnhostmaster@job2k.com 2025-09-27 #8 | ||||||
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=1774653292 | ||||||
Same first word
job2k.com |
DNS History
9 records (4 active, 5 former)
●NSmr.coi.vn2026-03-10 → 2026-03-27 · 3 obs
● 2026-03-10 09:26:18
● 2026-03-27 23:24:00
○NSns09.domaincontrol.com2015-10-20 → 2016-07-22 · 4 obs
● 2016-07-22 23:28:00
○ 2017-04-09 04:23:24
○ 2026-03-27 23:24:00
●NSns1.coi.vn2026-03-10 → 2026-03-27 · 3 obs
● 2026-03-10 09:26:18
● 2026-03-27 23:24:00
○NSns10.domaincontrol.com2015-10-20 → 2016-07-22 · 4 obs
● 2016-07-22 23:28:00
○ 2017-04-09 04:23:24
○ 2026-03-27 23:24:00
●NSns2.coi.vn2026-03-10 → 2026-03-27 · 3 obs
● 2026-03-10 09:26:18
● 2026-03-27 23:24:00
○MXmailstore1.secureserver.net2015-10-20 → 2016-07-22 · 4 obs
● 2016-07-22 23:28:00
○ 2017-04-09 04:23:24
○ 2026-03-27 23:24:00
●MXmr.dotvndns.vn2026-03-10 → 2026-03-27 · 3 obs
● 2026-03-10 09:26:18
● 2026-03-27 23:24:00
○MXsmtp.secureserver.net2015-10-20 → 2016-07-22 · 4 obs
● 2016-07-22 23:28:00
○ 2017-04-09 04:23:24
○ 2026-03-27 23:24:00
○A184.168.221.362015-10-20 → 2016-07-22 · 4 obs
● 2016-07-22 23:28:00
○ 2017-04-09 04:23:24
○ 2026-03-27 23:24:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net... | - |
| job2k.com | ns1.coi.vn, ns2.coi.vn, mr.coi.vn | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.coi.vn, ns2.coi.vn, mr.coi.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for job2k.com (unsigned zone)
⏱️ Timing
Total: 3178ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.coi.vn, ns2.coi.vn... |
| MX | 1 | mr.dotvndns.vn (pri: 10) |
| SOA | 1 | ns1.coi.vn hostmaster.job2k.com |
Analysis
Name Servers
job2k.com is delegated to three name servers: mr.coi.vn, ns1.coi.vn and ns2.coi.vn.
job2k.com shares name servers with other domains to some extent, for instance simphongthuygiare.com, are.vn, cus.vn and khosimphongthuy.com.
these name servers are commonly used together with domain.coi.vn, nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.
Host names with a single IP:
ns1.coi.vn resolves to 112.213.89.3.
ns2.coi.vn resolves to 222.255.121.247.
Mail Servers
job2k.com is served by a single mail server, mr.dotvndns.vn.
job2k.com uses the same mail server setup as other domains such as laviholding.vn, zenithgroup.vn, thienbang.com, hocnuoiongdu.com and evaair.biz.vn.
job2k.com shares some mail servers with other domains, including thanhhungvn.com, yesmobile.vn, viet-ta.com, dori.com.vn and viu.edu.vn.
these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
mr.dotvndns.vn points to IP number 222.255.121.227.