rt7.kr - dns.ninja

rt7.kr

DNSSEC⚠️ Not signed
A183.111.139.227🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.230🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.232🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.122🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSrt7.kr ⭐
A183.111.139.227🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.230🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.232🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.122🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSns1.cafe24.co.kr
A112.175.246.232🇰🇷 KT-NET112.168.0.0/13
PTRgjit.kr
PTRsnoweb.kr
PTRsinc2030.co.kr
A112.175.246.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.136🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.137🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.com
A112.175.246.230🇰🇷 KT-NET112.168.0.0/13
A112.175.246.231🇰🇷 KT-NET112.168.0.0/13
A116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
A175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.co.kr
A112.175.247.232🇰🇷 KT-NET112.168.0.0/13
PTRsnoweb.kr
PTRsarchi.co.kr
A112.175.247.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.146🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.147🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.com
A1.226.85.4🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13
A1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
A112.175.11.4🇰🇷 KT-NET112.168.0.0/13
A112.175.12.4🇰🇷 KT-NET112.168.0.0/13
MXmail1.rt7.kr ⭐
A14.41.55.81🇰🇷 DUZONBIZON-AS-KR14.41.55.0/24 AS55615
PTRmail1.wehago.com
MXmail2.rt7.kr ⭐
A14.41.55.82🇰🇷 DUZONBIZON-AS-KR14.41.55.0/24 AS55615
PTRmail2.wehago.com
TXTv=spf1 ip4:14.41.55.81 ip4:14.41.55.82 ~all
SOArt7.krpostmaster@rt7.kr serial=20220304

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2607100742

NS for

rt7.kr

Subdomains

mail1.rt7.kr
mail2.rt7.kr

Same first word

rt7.org
rt7.co
rt7.com
rt7.ru
rt7.ch
rt7.nl
rt7.fi
rt7.at
rt7.net
rt7.de
rt7.kr
rt7.com.br
rt7.bet

Similar names

t7r.link
t7r.de
r7t.com
tr7.pl
t7r.net
tr7.biz
tr7.at
tr7.fr
tr7.us
t7r.ru
7rt.com.br
7rt.ru
tr7.com
7tr.kr
t7r.dev
tr7.de
tr7.eu
7rt.cn
7tr.ru
7rt.org
7tr.in
r7t.ru
r7t.de
tr7.ch
7rt.de
t7r.org
tr7.nl
tr7.net
7tr.net
t7r.com
7rt.net

DNS History

11 records (11 active, 0 former)

NSns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comrt7.krMXmail1.rt7.krmail2.rt7.krA183.111.139.227183.111.139.230183.111.139.232203.245.12.122
●NSns1.cafe24.co.kr2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●NSns1.cafe24.com2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●NSns2.cafe24.co.kr2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●NSns2.cafe24.com2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●NSrt7.kr2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●MXmail1.rt7.kr2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●MXmail2.rt7.kr2026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●A183.111.139.2272026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●A183.111.139.2302026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●A183.111.139.2322026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46
●A203.245.12.1222026-03-22 → 2026-07-10 · 2 obs
● 2026-03-22 06:27:36
● 2026-07-10 06:27:46

🔍 DNS Trace

Analysis

Hierarchy

The parent domain of mail1.rt7.kr and mail2.rt7.kr is rt7.kr.

Name Server Role

rt7.kr has rt7.kr as one of its name servers, making it self-hosted for DNS delegation.

Together with rt7.kr, the hosts ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are frequently configured as name servers.

IP Addresses

rt7.kr resolves to four IP addresses: 183.111.139.227, 183.111.139.230, 183.111.139.232 and 203.245.12.122.

Among the host names that share IP numbers with rt7.kr are toxoxo.com, jeamjeam.com, ups.kr and two others.

Name Servers

DNS for rt7.kr is delegated to five name servers: rt7.kr, ns1.cafe24.com, ns2.cafe24.com and two others.

rt7.kr has at least partial name server overlap with other domains, such as spiralpipe.co.kr, momgage.com, dntnews.com and two others.

ns2.cafe24.co.kr, ns.cafe24.com and ns0.cafe24.com — plus 4 other name servers — are commonly paired with these name servers.

Hostnames that point to five IP numbers:

ns1.cafe24.com directs to 112.175.246.230, 112.175.246.231, 116.126.143.242 and two other IP addresses.

Hosts pointing to four IP addresses:

rt7.kr has four IP addresses: 183.111.139.227, 183.111.139.230, 183.111.139.232 and 203.245.12.122.

ns2.cafe24.com has four IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr has four IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Mail Servers

The MX records for rt7.kr point to two mail servers: mail1.rt7.kr and mail2.rt7.kr.

mail1.rt7.kr directs to 14.41.55.81 and mail2.rt7.kr directs to 14.41.55.82; each host name points to exactly one IP number.