tkc21.com - robtex.com
tkc21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.175.14.77🇰🇷 KT-NET112.168.0.0/13 | ||||||
| NS | root.tkc21.com ⭐ | ||||||
| NS | ns1.namesvr.net ⚠️ Not in zone NS records | ||||||
| A | 112.175.14.100🇰🇷 KT-NET112.168.0.0/13 | ||||||
| NS | ns2.namesvr.net ⚠️ Not in zone NS records | ||||||
| A | 183.111.144.126🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| MX | mail.tkc21.com ⭐ | ||||||
| A | 106.249.239.194🇰🇷 DACOM-NET106.240.0.0/12 contact noc@bora.net or infonoc@lguplus.co.kr if necessary | ||||||
| PTR | mail.tkc21.com | ||||||
| TXT | v=spf1 ip4:106.249.239.194 ip4:210.102.16.0/24 -all | ||||||
| SOA | root.tkc21.com2018012722 serial=3600 | ||||||
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=1774609697 | ||||||
Previously NS for
tkc21.com |
Subdomains
mail.tkc21.com |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
○NS(root)2019-02-22 → 2019-02-22 · 4 obs
○ 2017-02-19 18:21:04
● 2019-02-22 03:05:46
○ 2026-03-26 22:35:56
○ 2026-03-27 11:30:06
● 2019-02-22 03:05:46
○ 2026-03-26 22:35:56
○ 2026-03-27 11:30:06
○NSns.tkc21.com2015-06-15 → 2017-02-19 · 4 obs
● 2015-06-15 07:23:24
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
●NSns1.namesvr.net2026-03-26 → 2026-03-27 · 3 obs
○ 2019-02-22 03:05:46
● 2026-03-26 22:35:56
● 2026-03-27 11:30:06
● 2026-03-26 22:35:56
● 2026-03-27 11:30:06
○NSns1.tkc21.com2015-06-15 → 2017-02-19 · 4 obs
● 2015-06-15 07:23:24
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
●NSns2.namesvr.net2026-03-26 → 2026-03-27 · 3 obs
○ 2019-02-22 03:05:46
● 2026-03-26 22:35:56
● 2026-03-27 11:30:06
● 2026-03-26 22:35:56
● 2026-03-27 11:30:06
○NSns2.tkc21.com2015-06-15 → 2017-02-19 · 4 obs
● 2015-06-15 07:23:24
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
○NSns3.tkc21.com2015-06-15 → 2017-02-19 · 4 obs
● 2015-06-15 07:23:24
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
●NSroot.tkc21.com2019-02-22 → 2026-03-27 · 3 obs
○ 2017-02-19 18:21:04
● 2019-02-22 03:05:46
● 2026-03-27 11:30:06
● 2019-02-22 03:05:46
● 2026-03-27 11:30:06
○NStkc21.com2015-06-15 → 2017-02-19 · 4 obs
● 2015-06-15 07:23:24
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
●MXmail.tkc21.com2015-06-15 → 2026-03-27 · 2 obs
● 2015-06-15 07:23:24
● 2026-03-27 11:30:06
● 2026-03-27 11:30:06
●A112.175.14.772026-03-26 → 2026-03-27 · 3 obs
○ 2019-02-22 03:05:46
● 2026-03-26 22:35:56
● 2026-03-27 11:30:06
● 2026-03-26 22:35:56
● 2026-03-27 11:30:06
○A211.40.118.452019-02-22 → 2019-02-22 · 4 obs
○ 2017-02-19 18:21:04
● 2019-02-22 03:05:46
○ 2026-03-26 22:35:56
○ 2026-03-27 11:30:06
● 2019-02-22 03:05:46
○ 2026-03-26 22:35:56
○ 2026-03-27 11:30:06
○A220.73.161.1172015-06-15 → 2017-02-19 · 4 obs
● 2015-06-15 07:23:24
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
● 2017-02-19 18:21:04
○ 2019-02-22 03:05:46
○ 2026-03-27 11:30:06
🔍 DNS Trace
Analysis
Hierarchy
The parent of mail.tkc21.com is tkc21.com.
IP Addresses
tkc21.com points to an IP address: 112.175.14.77.
other host names include apttime.com, jikim.net, samduck.net, injecta-hq.com and euroamerica.co.kr; they share IP numbers with tkc21.com.
Name Servers
tkc21.com is delegated to three name servers root.tkc21.com, ns1.namesvr.net and ns2.namesvr.net.
tkc21.com at least partially shares name servers with other domains, for instance jangantechnology.com, benjamin.ne.kr, ymsystem.co.kr, oh-design.co.kr and doah.co.kr.
Host names with one IP:
ns1.namesvr.net points to: 112.175.14.100
ns2.namesvr.net points to: 183.111.144.126
Mail Servers
tkc21.com is handled by a single mail server, mail.tkc21.com.
The host name mail.tkc21.com points to IP 106.249.239.194.