gcmo.onmicrosoft.com - robtex.com

gcmo.onmicrosoft.com

DNSSEC⚠️ Not signed
MXgcmo.mail.protection.outlook.com ⭐
A2a01:111:f403:f900::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-blapr09cu00101.inbound.protection.outlook.com
A2a01:111:f403:f904::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm6pr09cu00200.inbound.protection.outlook.com
A2a01:111:f403:f904::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ds0pr09cu00101.inbound.protection.outlook.com
A2a01:111:f403:f90e::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sa9pr09cu00101.inbound.protection.outlook.com
A52.101.8.50🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm6pr09cu00202.inbound.protection.outlook.com
A52.101.8.52🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ds0pr09cu00104.inbound.protection.outlook.com
A52.101.9.19🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-blapr09cu00103.inbound.protection.outlook.com
A52.101.11.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr09cu00104.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTmscid=mOhNKv4UOu6dqSkVePYmBKrwXa6Xbv+m0lx3GS6b0ooV+m+qxQ2tqz8Zdsl4DGZRbx9p9yL...

onmicrosoft.com

DNSSEC⚠️ Not signed
NSns1-208.azure-dns.com ⭐
NSns1.bdm.microsoftonline.com
NSns2.bdm.microsoftonline.com
NSns3.bdm.microsoftonline.com
NSns4.bdm.microsoftonline.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTgoogle-site-verification=1-9fQJjGKgDh7UVF1XcVfBMOr-C1emzk5wjD0ZqnULc
SOAns1-208.azure-dns.comazuredns-hostmaster@microsoft.com serial=1
WOT: SAFE (50/100)
rank #357615 globally
rank #152193 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #2,330

Subdomains

autodiscover.gcmo.onmicrosoft.com

Same first word

gcmo.com
gcmo.cn

Similar names

cogm.ru
gomc.tv
gcom.pl
gmco.it
gmco.no
cmgo.com.br
gcom.solutions
mgco.ru
omgc.de
comg.de
gcom.com.br
cogm.net
gomc.fun
cogm.org
gomc.net
ocmg.org
mcgo.io
cgmo.org
gomc.com.au
gomc.ru
gcom.eu
gmco.es
cogm.de
omgc.info
gcom.co.th
gocm.org
omcg.de
gcom.co.jp
gomc.cn
comg.jp
cmgo.org.mx
gocm.net
mocg.net
gocm.com
mcgo.eu
gmco.tv
gcom.pro
gmoc.de
gmco.com.sa
ogmc.org
cmog.ru
mogc.de
gcom.cloud
gmco.int
mgco.cn
mgco.com
gocm.xyz
mcgo.pl
mcgo.fr
gcom.co
gomc.cc
gmco.com
gmoc.org
omgc.ru
mogc.co.uk
ocmg.com
mcgo.nl
ogcm.com.au
gcom.ru
cogm.cc
mgoc.org
mogc.com.au
omgc.cn
gmco.ir
gomc.me
mgoc.at
gmoc.com
ogmc.net
comg.ru
ogmc.com.au
gmco.jp
cmgo.de
gcom.mx
ogmc.ru
mcog.org
cmgo.ru
mgco.io
gcom.fr
mgco.work
gcom.at
ogmc.com
gcom.ie
cgmo.it
gcom.net
omgc.gg
gmco.com.cn
gmco.org
gmco.net
gcom.nl
cogm.us
ogmc.eu
gcom.com
comg.co
omgc.jp
cmgo.info
mogc.co.jp
gmco.de
gcom.it

DNS History

5 records (1 active, 4 former)

201820192020202120222023202420252026NSns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comMXgcmo.mail.protection.outlook.com
○NSns1.bdm.microsoftonline.com2017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 06:15:10
○ 2026-04-05 12:56:38
○ 2026-05-13 13:54:50
○NSns2.bdm.microsoftonline.com2017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 06:15:10
○ 2026-04-05 12:56:38
○ 2026-05-13 13:54:50
○NSns3.bdm.microsoftonline.com2017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 06:15:10
○ 2026-04-05 12:56:38
○ 2026-05-13 13:54:50
○NSns4.bdm.microsoftonline.com2017-04-04 → 2017-04-04 · 3 obs
● 2017-04-04 06:15:10
○ 2026-04-05 12:56:38
○ 2026-05-13 13:54:50
●MXgcmo.mail.protection.outlook.com2017-04-04 → 2026-05-13 · 2 obs
● 2017-04-04 06:15:10
● 2026-05-13 13:54:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
onmicrosoft.comns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com8 records

✅ Authoritative Response

Server:204.14.183.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onmicrosoft.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

TypeCountSample Data
MX1gcmo.mail.protection.outlook.com (pri: 0
TXT2v=spf1 include:spf.protection.outlook.co, mscid=mOhNKv4UOu6dqSkVePYmBKrwXa6Xbv+m0l

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

Hierarchy

The parent of autodiscover.gcmo.onmicrosoft.com is gcmo.onmicrosoft.com.

Mail Servers

The mail server for gcmo.onmicrosoft.com is gcmo.mail.protection.outlook.com.

Host gcmo.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:f900::1, 2a01:111:f403:f904::, 2a01:111:f403:f904::1, 2a01:111:f403:f90e::1, 52.101.8.50, 52.101.8.52, 52.101.9.19 and 52.101.11.12.