tcctr.com - dns.ninja
tcctr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.171.115🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | web115.koreafree.co.kr | ||||||
| NS | ns1.koreafree.co.kr ⭐ | ||||||
| A | 121.254.171.112🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns1.whoiskorea.co.kr | ||||||
| A | 121.254.171.111🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| MX | mail.tccsteel.com ⭐ | ||||||
| A | 211.231.231.1🇰🇷 KT-NET211.231.231.0/26 | ||||||
| PTR | mail.tccsteel.com | ||||||
| TXT | v=spf1 ip4:211.231.231.1 ip4:121.254.171.115 ~all | ||||||
| SOA | ns1.koreafree.co.krwebmaster@koreafree.co.kr 2023-01-31 #0 | ||||||
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=1783248651 | ||||||
Subdomains
mail.tcctr.com |
Same first word
tcctr.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns.kornet.net2015-06-01 → 2017-09-01 · 4 obs
● 2017-09-01 21:28:28
○ 2026-02-16 00:10:30
○ 2026-07-05 11:09:56
●NSns1.koreafree.co.kr2026-02-16 → 2026-07-05 · 3 obs
● 2026-02-16 00:10:30
● 2026-07-05 11:09:56
●NSns1.whoiskorea.co.kr2026-02-16 → 2026-07-05 · 3 obs
● 2026-02-16 00:10:30
● 2026-07-05 11:09:56
○NSns2.kornet.net2015-06-01 → 2017-09-01 · 4 obs
● 2017-09-01 21:28:28
○ 2026-02-16 00:10:30
○ 2026-07-05 11:09:56
●MXmail.tccsteel.com2026-02-16 → 2026-07-05 · 3 obs
● 2026-02-16 00:10:30
● 2026-07-05 11:09:56
○MXmail.tcctr.com2015-06-01 → 2017-09-01 · 4 obs
● 2017-09-01 21:28:28
○ 2026-02-16 00:10:30
○ 2026-07-05 11:09:56
●A121.254.171.1152026-02-16 → 2026-07-05 · 3 obs
● 2026-02-16 00:10:30
● 2026-07-05 11:09:56
○A211.231.231.82015-06-01 → 2017-09-01 · 4 obs
● 2017-09-01 21:28:28
○ 2026-02-16 00:10:30
○ 2026-07-05 11:09:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net... | - |
| tcctr.com | ns1.whoiskorea.co.kr, ns1.koreafree.co.kr | - |
✅ Authoritative Response
Server:121.254.171.111
NS records: ns1.whoiskorea.co.kr, ns1.koreafree.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tcctr.com (unsigned zone)
⏱️ Timing
Total: 1704ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.171.115 |
| NS | 2 | ns1.koreafree.co.kr, ns1.whoiskorea.co.kr |
| MX | 1 | mail.tccsteel.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.231.231.1 ip4:121.254.171 |
| SOA | 1 | ns1.koreafree.co.kr webmaster.koreafree. |
Analysis
Hierarchy
tcctr.com serves as the parent of mail.tcctr.com.
IP Addresses
tcctr.com has exactly one IP address — 121.254.171.115.
samhancon.com, mail.ayna.kr, spam.hantok.com plus two other host names have IP numbers in common with tcctr.com.
Name Servers
DNS delegation for tcctr.com points to two name servers: ns1.koreafree.co.kr and ns1.whoiskorea.co.kr.
The name server configuration of tcctr.com is shared with other domains, for instance foodnscout.com, kpsm.or.kr, happyngo.net and two others.
tcctr.com has at least partial name server overlap with other domains, such as youngonebreaker.com, xn--hz2b29nmwo.com, joeuncable.com and two others.
It is common to find these name servers paired with the name servers ns2.whoiskorea.co.kr.
ns1.koreafree.co.kr directs to 121.254.171.112 and ns1.whoiskorea.co.kr directs to 121.254.171.111; each host name points to exactly one IP number.
Mail Servers
tcctr.com uses one mail server — mail.tccsteel.com.
The mail servers of tcctr.com are at least partially shared with other domains, including tccsteel.com.
It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.
mail.tccsteel.com has exactly one IP number: 211.231.231.1.