`rttec.pe.kr`

DNSSEC	⚠️ Not signed
A	183.111.139.226^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
A	183.111.139.231^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
A	203.245.12.101^{🇰🇷 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}
A	203.245.12.107^{🇰🇷 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}
NS	`rttec.pe.kr` ⭐
		A	183.111.139.226^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
		A	183.111.139.231^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
		A	203.245.12.101^{🇰🇷 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}
		A	203.245.12.107^{🇰🇷 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}
NS	`dns1.cafe24.co.kr`
		A	112.175.246.228^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.229^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.132^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.133^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns1.cafe24.com`
		A	112.175.246.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.227^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.130^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.131^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns2.cafe24.co.kr`
		A	112.175.247.228^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.229^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.142^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.143^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns2.cafe24.com`
		A	112.175.247.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.227^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.140^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.141^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
SOA	`rttec.pe.kr`postmaster@rttec.pe.kr serial=20241216

`pe.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation 🔒
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation 🔒
	NS	`d.dns.kr` ⚠️ Not in parent delegation 🔒
	NS	`e.dns.kr` ⚠️ Not in parent delegation 🔒
	NS	`f.dns.kr` ⚠️ Not in parent delegation 🔒
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2602280504

rank #6477 globally
rank #16 in the tld
PASSWOT: UNKNOWN (72/100)

NS for

rttec.pe.kr

Subdomains

www.rttec.pe.kr

Same first word

rttec.com

rttec.pe.kr

rttec.ru

Similar names

tectr.com

tctre.com

tcert.com

rettc.com

trtec.de

tcert.net

tcert.org

ttcer.com

trtec.com

ttrec.org

tcert.dk

cetrt.ru

crett.org

certt.org

ttrec.com

trcet.com

ttrec.cz

rectt.in

trect.com

ctter.com

trtec.com.br

ttecr.ru

etctr.com

certt.com

tcert.com.tr

ctret.de

DNS History

9 records (9 active, 0 former)

●NSdns1.cafe24.co.kr2026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●NSdns1.cafe24.com2026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●NSdns2.cafe24.co.kr2026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●NSdns2.cafe24.com2026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●NSrttec.pe.kr2026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●A183.111.139.2262026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●A183.111.139.2312026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●A203.245.12.1012026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

●A203.245.12.1072026-02-22 → 2026-02-28 · 2 obs

● 2026-02-22 16:14:02
● 2026-02-28 15:23:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	f.dns.kr, b.dns.kr, c.dns.kr, d.dns.kr...	-
rttec.pe.kr	dns1.cafe24.co.kr, dns1.cafe24.com, dns2.cafe24.co.kr, dns2.cafe24.com	-

✅ Authoritative Response

Server: 112.175.247.227

NS records: dns1.cafe24.co.kr, dns1.cafe24.com, dns2.cafe24.co.kr, dns2.cafe24.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rttec.pe.kr (unsigned zone)

⏱️ Timing

Total: 4745ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`203.245.12.101, 183.111.139.231...`
NS	4	`dns1.cafe24.com, dns2.cafe24.com...`
SOA	1	`rttec.pe.kr postmaster.rttec.pe.kr`

Analysis

Hierarchy

The parent of www.rttec.pe.kr is rttec.pe.kr.

Name Server Role

rttec.pe.kr serves as a name server for rttec.pe.kr.

dns1.cafe24.com, dns2.cafe24.com and dns1.cafe24.co.kr are commonly used as name servers together with rttec.pe.kr.

IP Addresses

rttec.pe.kr resolves to four IP numbers: 183.111.139.226, 183.111.139.231, 203.245.12.101 and 203.245.12.107.

Other host names such as bikenara.co.kr, xn--2j1bs2g7se.com, kakamuka.com, songzio.com and isntree.com share IPs with rttec.pe.kr.

Name Servers

rttec.pe.kr is delegated to five name servers: dns1.cafe24.com, dns2.cafe24.com, rttec.pe.kr, dns1.cafe24.co.kr and dns2.cafe24.co.kr.

rttec.pe.kr at least partially shares name servers with other domains, for instance dollios.com, j-gallery.co.kr, soozakk.com, abib.com and mindrobe.com.