ref.kr - robtex.com

ref.kr

DNSSEC⚠️ Not signed
A141.164.51.104🇰🇷 AS-VULTR141.164.32.0/19 The Constant Company, LLC 319 CLEMATIS ST Suite 900
PTRrs5-kor.serverhostgroup.com
NSns1.serverhostgroup.com ⭐
A104.236.38.47🇺🇸 DIGITALOCEAN104.236.0.0/18 DigitalOcean
PTRns1.serverhostgroup.com
NSns2.serverhostgroup.com
A46.101.214.99🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean
PTRns2.serverhostgroup.com
NSns3.serverhostgroup.com
A141.164.45.163🇰🇷 AS-VULTR141.164.32.0/19 The Constant Company, LLC 319 CLEMATIS ST Suite 900
PTRns3.serverhostgroup.com
MXref.kr ⭐
A141.164.51.104🇰🇷 AS-VULTR141.164.32.0/19 The Constant Company, LLC 319 CLEMATIS ST Suite 900
PTRrs5-kor.serverhostgroup.com
TXTv=spf1 ip4:141.164.51.104 include:relay.mailchannels.net +a +mx +ip4:158.247....
SOAns1.serverhostgroup.comroot@rs5-kor.serverhostgroup.com 2026-04-29 #0

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=2605090818
⚠️ On DNS blocklist: tif

MX for

ref.kr

Subdomains

www.ref.kr

Same first word

ref.im
ref.nhs.uk
ref.wang
ref.scot
ref.cards
ref.info
ref.management
ref.es
ref.cn
ref.hu
ref.com
ref.co
ref.org
ref.today
ref.az
ref.re
ref.org.au
ref.pl
ref.ru
ref.com.hk
ref.or.kr
ref.plus
ref.or.jp
ref.expert
ref.in.ua
ref.training
ref.mx
ref.hk
ref.so
ref.eu
ref.house
ref.readthedocs.io
ref.ch
ref.us
ref.se
ref.ac.uk
ref.tools
ref.no
ref.to
ref.tc
ref.lv
ref.biz
ref.it
ref.li
ref.ua
ref.ms
ref.asia
ref.com.ua
ref.my
ref.world
ref.vn
ref.me
ref.pt
ref.ca
ref.net
ref.kr
ref.center
ref.lt
ref.org.uk
ref.am
ref.sh
ref.direct
ref.at
ref.dk
ref.de
ref.is
ref.ee
ref.com.tw
ref.gv.at
ref.ge
ref.fm
ref.finance
ref.gr
ref.agency
ref.ly
ref.sg
ref.by
ref.com.br

Similar names

fre.at
rfe.ro
rfe.de
fre.org.uk
efr.com.tr
efr.net
fer.gov.pl
erf.org.au
fer.lt
fer.gov.rw
fer.es
efr.co
fer.eu
fre.be
fer.al
fre.ag
fer.biz
fer.de
fre.pl
fer.pl
rfe.com.ar
fre.net
fre.nl
efr.com.mx
rfe.by
fer.com.ua
fre.de
fre.gr
fer.mx
rfe.org.cn
fre.lu
rfe.com
rfe.at
fer.marketing
fre.com.br
rfe.co.nz
fre.ch
fer.tel
efr.ru
fer.ai
fre.ro
erf.net
fer.ru
fer.org.mx
fer.si
fer.name
erf.be
fer.org.br
rfe.hu
fre.jp
fer.hr
rfe.mobi
fre.es
efr.app
fer.co
erf.org.uk
efr.com
fre.dk
fer.hu
fer.or.kr
efr.io
fer.ca
fer.dk
fer.com.br
fer.uz
fre.agency
rfe.cc
fer.se
fer.network
rfe.net
efr.es
rfe.eu
rfe.ca
fer.com
fer.co.uk
erf.in
fer.us
erf.co.jp

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSns1.serverhostgroup.comns2.serverhostgroup.comns3.serverhostgroup.comns4.blueweb.co.krns5.blueweb.co.krMXref.krA141.164.51.104211.202.2.206
●NSns1.serverhostgroup.com2026-05-01 → 2026-05-09 · 3 obs
○ 2017-07-28 11:00:22
● 2026-05-01 09:03:54
● 2026-05-09 18:08:36
●NSns2.serverhostgroup.com2026-05-01 → 2026-05-09 · 3 obs
○ 2017-07-28 11:00:22
● 2026-05-01 09:03:54
● 2026-05-09 18:08:36
●NSns3.serverhostgroup.com2026-05-01 → 2026-05-09 · 3 obs
○ 2017-07-28 11:00:22
● 2026-05-01 09:03:54
● 2026-05-09 18:08:36
○NSns4.blueweb.co.kr2015-08-13 → 2017-07-28 · 4 obs
● 2015-08-13 19:00:16
● 2017-07-28 11:00:22
○ 2026-05-01 09:03:54
○ 2026-05-09 18:08:36
○NSns5.blueweb.co.kr2015-08-13 → 2017-07-28 · 4 obs
● 2015-08-13 19:00:16
● 2017-07-28 11:00:22
○ 2026-05-01 09:03:54
○ 2026-05-09 18:08:36
●MXref.kr2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 09:03:54
● 2026-05-09 18:08:36
●A141.164.51.1042026-05-01 → 2026-05-09 · 3 obs
○ 2017-07-28 11:00:22
● 2026-05-01 09:03:54
● 2026-05-09 18:08:36
○A211.202.2.2062015-08-13 → 2017-07-28 · 4 obs
● 2015-08-13 19:00:16
● 2017-07-28 11:00:22
○ 2026-05-01 09:03:54
○ 2026-05-09 18:08:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...-
ref.krns1.serverhostgroup.com, ns2.serverhostgroup.com, ns3.serverhostgroup.com-

✅ Authoritative Response

Server:104.236.38.47

NS records: ns1.serverhostgroup.com, ns2.serverhostgroup.com, ns3.serverhostgroup.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ref.kr (unsigned zone)

⏱️ Timing

Total: 1053ms | Queries: -

📄 Records

TypeCountSample Data
A1141.164.51.104
NS3ns3.serverhostgroup.com, ns1.serverhostgroup.com...
MX1ref.kr (pri: 0)
TXT1v=spf1 ip4:141.164.51.104 include:relay.
SOA1ns1.serverhostgroup.com root.rs5-kor.ser

Analysis

Hierarchy

The parent of www.ref.kr is ref.kr.

Mail Server Role

ref.kr serves as a mail server for ref.kr.

IP Addresses

ref.kr points to a single IP: 141.164.51.104.

Other host names, for instance nicenz.com, namuec.org, quickinfoguide.com, rs5-kor.serverhostgroup.com and eholynet.org share IP numbers with ref.kr.

Name Servers

ref.kr is delegated to three name servers: ns1.serverhostgroup.com, ns2.serverhostgroup.com and ns3.serverhostgroup.com.

ref.kr partially shares name servers with other domains; examples include shownightstudio.com, mannequin-manufacture.com, homesadvisor.ca, bicycletutor.com and tcblimited.com.

These name servers are often used with the name servers ns1.ip-40-160-16.us and ns2.ip-40-160-16.us.

Host names with one IP number:

Host ns1.serverhostgroup.com points to 104.236.38.47.

Host ns2.serverhostgroup.com points to 46.101.214.99.

Host ns3.serverhostgroup.com points to 141.164.45.163.

Mail Servers

ref.kr is handled by a single mail server, ref.kr.

ref.kr points to a single IP: 141.164.51.104.