`ctref.com`

DNSSEC	⚠️ Not signed
NS	`ns1.uhost.co.kr` ⚠️ Not in zone NS records
		A	202.31.187.220^{🇰🇷 KT-NET202.31.187.0/24 I Names}
NS	`ns2.uhost.co.kr` ⚠️ Not in zone NS records
		A	219.251.156.14^{🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600}

`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.net`nstld@verisign-grs.com serial=1774363897

Previously MX for

ctref.com

Same first word

ctref.com

Similar names

frect.org

creft.net

frtec.ch

fecrt.com

ctfre.top

efrtc.com

fcert.com

certf.com

etfrc.com

creft.com

efrtc.org

fcert.ru

rftec.com

tfrec.com

ctfer.club

frect.com

frtec.com

ercft.com

cftre.com

ftrec.com

fretc.com

tcref.cn

frtec.com.br

crfte.com

fcert.net

ctfer.com

refct.com

creft.biz

fcert.co

ctfer.top

rftec.at

fcert.it

rftec.com.br

ectfr.com

DNS History

6 records (2 active, 4 former)

●NSns1.uhost.co.kr2026-02-16 → 2026-03-24 · 14 obs

○ 2017-06-07 03:09:32
● 2026-02-16 03:33:40
● 2026-02-24 04:20:58
○ 2026-02-25 04:32:44
● 2026-02-26 03:51:50
● 2026-03-14 03:36:14
○ 2026-03-15 04:55:12
● 2026-03-16 04:08:02
○ 2026-03-17 04:10:12
● 2026-03-18 04:19:26
● 2026-03-21 04:55:30
○ 2026-03-22 03:44:16
● 2026-03-24 04:13:36
● 2026-03-24 15:06:06

○NSns111.mschosting.com2017-06-07 → 2017-06-07 · 3 obs

● 2017-06-07 03:09:32
○ 2026-02-16 03:33:40
○ 2026-03-24 15:06:06

○NSns112.mschosting.com2017-06-07 → 2017-06-07 · 3 obs

● 2017-06-07 03:09:32
○ 2026-02-16 03:33:40
○ 2026-03-24 15:06:06

●NSns2.uhost.co.kr2026-02-16 → 2026-03-24 · 14 obs

○MXctref.com2017-06-07 → 2026-02-17 · 4 obs

● 2017-06-07 03:09:32
● 2026-02-17 06:09:42
○ 2026-02-18 04:09:44
○ 2026-03-24 15:06:06

○A110.4.45.2102017-06-07 → 2026-02-17 · 4 obs

● 2017-06-07 03:09:32
● 2026-02-17 06:09:42
○ 2026-02-18 04:09:44
○ 2026-03-24 15:06:06

🔍 DNS Trace

Analysis

Name Servers

Delegation for ctref.com rests with two name servers, ns1.uhost.co.kr and ns2.uhost.co.kr.

ctref.com shares the same name server setup as other domains, including izin.com, microqs.co.kr, gochon.hs.kr, kisoo1.co.kr and penta.co.kr.

ctref.com at least partially shares name servers with other domains, for instance gfairbiz.or.kr, diwood.com, kcisa.kr, copyright.or.kr and jk.ac.kr.

Host names with one IP number: ns1.uhost.co.kr points to 202.31.187.220; ns2.uhost.co.kr points to 219.251.156.14.

ctref.com - robtex.com

ctref.com

com