`security-microsoftonline.com`

DNSSEC	⚠️ Not signed
NS	`ns1.whoisdomain.kr` ⭐
		A	223.130.139.7^{🇰🇷 NBPAP-AS-AP223.130.128.0/19 NAVER business platform cloud service}
NS	`ns2.whoisdomain.kr`
		A	211.188.57.152^{🇰🇷 NBPAP-AS-AP211.188.48.0/20 NAVER business platform cloud service}
NS	`ns3.whoisdomain.kr`
		A	61.97.189.22^{🇰🇷 nhn-AS-KR61.97.176.0/20 NAVER business platform cloud service}
NS	`ns4.whoisdomain.kr`
		A	219.251.156.134^{🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600}
MX	`mail.security-microsoftonline.com` ⭐
		A	1.220.44.123^{🇰🇷 DACOM-NET1.208.0.0/12 contact infonoc@lguplus.co.kr (AS3786)) if necessary}
SOA	`ns1.whoisdomain.kr`help@whois.co.kr 2024-07-08 #1

`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=1785381722

⚠️ On DNS blocklist: tif

Subdomains

mail.security-microsoftonline.com

Same first word

security-microsoftonline.com

DNS History

8 records (5 active, 3 former)

○NSns1.syrahost.com2017-08-15 → 2017-08-15 · 3 obs

● 2017-08-15 12:50:40
○ 2026-03-27 21:23:38
○ 2026-07-30 03:47:36

●NSns1.whoisdomain.kr2026-03-27 → 2026-07-30 · 3 obs

○ 2017-08-15 12:50:40
● 2026-03-27 21:23:38
● 2026-07-30 03:47:36

○NSns2.syrahost.com2017-08-15 → 2017-08-15 · 3 obs

● 2017-08-15 12:50:40
○ 2026-03-27 21:23:38
○ 2026-07-30 03:47:36

●NSns2.whoisdomain.kr2026-03-27 → 2026-07-30 · 3 obs

○ 2017-08-15 12:50:40
● 2026-03-27 21:23:38
● 2026-07-30 03:47:36

●NSns3.whoisdomain.kr2026-03-27 → 2026-07-30 · 3 obs

○ 2017-08-15 12:50:40
● 2026-03-27 21:23:38
● 2026-07-30 03:47:36

●NSns4.whoisdomain.kr2026-03-27 → 2026-07-30 · 3 obs

○ 2017-08-15 12:50:40
● 2026-03-27 21:23:38
● 2026-07-30 03:47:36

●MXmail.security-microsoftonline.com2017-08-15 → 2026-07-30 · 4 obs

● 2017-08-15 12:50:40
● 2026-04-30 22:04:08
○ 2026-06-25 18:49:42
● 2026-07-30 03:47:36

○A163.47.73.972017-08-15 → 2017-08-15 · 3 obs

● 2017-08-15 12:50:40
○ 2026-03-27 21:23:38
○ 2026-07-30 03:47:36

🔍 DNS Trace

Analysis

Hierarchy

security-microsoftonline.com is a parent domain of mail.security-microsoftonline.com.

Name Servers

The domain security-microsoftonline.com is delegated to these four name servers: ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr and ns4.whoisdomain.kr.

security-microsoftonline.com shares at least some of its name servers with other domains, including 2187.kr, suliyo.com, frocess.com and two others.

These name servers are frequently seen alongside the name servers dns1.yesnic.com, dns2.yesnic.com, dns3.yesnic.com and dns4.yesnic.com.

ns1.whoisdomain.kr resolves to 223.130.139.7. ns2.whoisdomain.kr resolves to 211.188.57.152. ns3.whoisdomain.kr resolves to 61.97.189.22. ns4.whoisdomain.kr resolves to 219.251.156.134. All four hosts carry exactly one IP address.

Mail Servers

security-microsoftonline.com routes its mail through a single mail server, mail.security-microsoftonline.com.

mail.security-microsoftonline.com carries a single IP number, which is 1.220.44.123.

security-microsoftonline.com - robtex.com