does.kr - dns.ninja

does.kr

DNSSEC⚠️ Not signed
A52.78.43.16🇰🇷 Amazon52.78.0.0/16 EC2 ICN prefix
PTRec2-52-78-43-16.ap-northeast-2.compute.amazonaws.com
NSns5.cninet.co.kr
A61.100.13.145🇰🇷 HOSTWAY-AS-KR61.100.13.0/24
PTRns5.cninet.co.kr
NSns6.cninet.co.kr
A61.100.13.46🇰🇷 HOSTWAY-AS-KR61.100.13.0/24
PTRns6.cninet.co.kr
MXsmtp2.daouoffice.com
A35.216.41.104🇰🇷 Google35.216.0.0/17
PTRprod-dose-smtp-2.daouoffice.com
MXsmtp.daouoffice.com(10)
A35.216.20.220🇰🇷 Google35.216.0.0/17
PTRprod-dose-smtp-3.daouoffice.com
A35.216.41.104🇰🇷 Google35.216.0.0/17
PTRprod-dose-smtp-2.daouoffice.com
A35.216.61.236🇰🇷 Google35.216.0.0/17
PTRprod-dose-smtp-1.daouoffice.com
TXTMS=ms69466931
TXTMS=ms77880194
TXTMS=D356EB949A1E364FBF37830CCF88F188682991A8
TXTgoogle-site-verification=9CL3foST36SgKT8fUzi7emQMVuEJlNVJpWbCao0Mam4 google-s...
TXTv=spf1 ip4:13.124.135.69 ip4:106.255.238.18 ip4:13.124.117.27 include:_spf.da...
SOAns5.cninet.co.krhostmaster@cninet.co.kr serial=10041911

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=2606190525

Subdomains

Same first word

Similar names

DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSns5.cninet.co.krns6.cninet.co.krMXsmtp.daouoffice.comsmtp2.daouoffice.commail.does.krA52.78.43.1654.248.80.187
NSns5.cninet.co.kr2015-07-20 → 2026-06-18 · 2 obs
● 2015-07-20 11:30:20
● 2026-06-18 23:38:32
NSns6.cninet.co.kr2015-07-20 → 2026-06-18 · 2 obs
● 2015-07-20 11:30:20
● 2026-06-18 23:38:32
MXmail.does.kr2015-07-20 → 2016-04-28 · 4 obs
● 2015-07-20 11:30:20
● 2016-04-28 18:52:06
○ 2026-03-12 15:30:52
○ 2026-06-18 23:38:32
MXsmtp.daouoffice.com2026-03-12 → 2026-06-18 · 3 obs
○ 2016-04-28 18:52:06
● 2026-03-12 15:30:52
● 2026-06-18 23:38:32
MXsmtp2.daouoffice.com2026-03-12 → 2026-06-18 · 3 obs
○ 2016-04-28 18:52:06
● 2026-03-12 15:30:52
● 2026-06-18 23:38:32
A52.78.43.162026-03-12 → 2026-06-18 · 3 obs
○ 2016-04-28 18:52:06
● 2026-03-12 15:30:52
● 2026-06-18 23:38:32
A54.248.80.1872015-07-20 → 2016-04-28 · 4 obs
● 2015-07-20 11:30:20
● 2016-04-28 18:52:06
○ 2026-03-12 15:30:52
○ 2026-06-18 23:38:32

🔍 DNS Trace

Analysis

Hierarchy

does.kr is a parent domain of data.does.kr.

IP Addresses

does.kr has exactly one IP address — 52.78.43.16.

ec2-52-78-43-16.ap-northeast-2.compute.amazonaws.com is an example of another host name that shares IP numbers with does.kr.

Name Servers

does.kr has two authoritative name servers — ns5.cninet.co.kr and ns6.cninet.co.kr.

The name server configuration of does.kr is shared with other domains, for instance 15.100.61.in-addr.arpa, hyundaismile.or.kr, rety.co.kr and two others.

does.kr shares at least some of its name servers with other domains, including ysjungang.org, efkorea.kr, able-cnc.co.kr and two others.

ns5.cninet.co.kr and ns6.cninet.co.kr each resolve to one IP number: ns5.cninet.co.kr points to 61.100.13.145 and ns6.cninet.co.kr points to 61.100.13.46.

Mail Servers

does.kr uses two mail servers, smtp2.daouoffice.com and smtp.daouoffice.com.

The mail server setup of does.kr matches that of solarstory.co.kr, d-o-e-s.com, netpx.co.kr and postx.co.kr, among other domains.

At least some of the mail servers used by does.kr are shared with other domains: softlife.co.kr, seedgen.kr, abcrent.co.kr and two others among them.

These mail servers frequently appear alongside the mail servers mx1.daouoffice.com and mx2.daouoffice.com.

Host names carrying three IP numbers:

smtp.daouoffice.com resolves to 35.216.20.220, 35.216.41.104 and 35.216.61.236.

Host names resolving to a single IP address:

smtp2.daouoffice.com resolves to 35.216.41.104.

The host names smtp.daouoffice.com and smtp2.daouoffice.com both resolve to 35.216.41.104 IP addresses.