o2.com - dns.ninja

`o2.com`

DNSSEC	⚠️ Not signed
A	20.162.150.90^{🇬🇧 Microsoft20.160.0.0/12 MICROSOFT}
NS	`n1.02.net` ⭐
		A	82.132.128.98^{🇬🇧 O2-ONLINE-AS82.132.128.0/22 O2 Online (UK)}
			PTR	`cornelius.london.02.net`
NS	`n2.02.net`
		A	82.132.128.106^{🇬🇧 O2-ONLINE-AS82.132.128.0/22 O2 Online (UK)}
			PTR	`laura.london.02.net`
NS	`n3.02.net`
		A	82.132.128.114^{🇬🇧 O2-ONLINE-AS82.132.128.0/22 O2 Online (UK)}
			PTR	`amaia.london.02.net`
NS	`n4.02.net`
		A	82.132.128.122^{🇬🇧 O2-ONLINE-AS82.132.128.0/22 O2 Online (UK)}
			PTR	`sonya.london.02.net`
MX	`dmell-seg-03.o2.com` ⭐
		A	158.230.201.10^{🇬🇧 O2BROADBAND158.230.201.0/24}
			PTR	`dmell-seg-03.o2.com`
MX	`dmell-seg-04.o2.com` ⭐
		A	158.230.201.11^{🇬🇧 O2BROADBAND158.230.201.0/24}
			PTR	`dmell-seg-04.o2.com`
MX	`dmmlw-seg-01.o2.com` ⭐
		A	158.230.101.187^{🇬🇧 O2BROADBAND158.230.0.0/17}
			PTR	`dmmlw-seg-01.o2.com`
MX	`dmmlw-seg-02.o2.com` ⭐
		A	158.230.101.188^{🇬🇧 O2BROADBAND158.230.0.0/17}
			PTR	`dmmlw-seg-02.o2.com`
TXT	`ppwx41bz7jkjhtj4053w74tnvmrvbwqx`
TXT	`eb3883f0394c40228aaa1758e165696d`
TXT	`MS=ms84289480`
TXT	`v=spf1 ip4:158.230.101.102 ip4:192.228.1.9 ip4:194.228.112.214 ip4:82.113.113...`
TXT	`google-site-verification=BA6qs9P2zvz7VSFPqiEWhUBVoSQq47e-Muke9TCzppg`
TXT	`MS=ms26678149`
TXT	`_1jzrjxjeekt3ndyz4c32ob1dy21d5wz`
SOA	`n1.02.net`hostmaster@02.net 2026-07-17 #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=1786151714

rank #171480 globally
rank #71691 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #110,895

PTR for

35.208.159.213.in-addr.arpa

Subdomains

vendor-auth.o2.com

dmell-seg-03.o2.com

cz.o2.com

outlook.o2.com

seal.o2.com

inmsweb.o2.com

ukdmzisacls-1.o2.com

rag-partner.o2.com

legacy.o2.com

cwa.o2.com

mr.o2.com

lync.o2.com

webmail.o2.com

ap.o2.com

ap-int.o2.com

share.o2.com

dmmlw-seg-02.o2.com

mail2.o2.com

mail.o2.com

dmmlw-seg-01.o2.com

ukdmzcsg.o2.com

dmell-seg-04.o2.com

owa.o2.com

webmap-vip.o2.com

www.o2.com

csweb.o2.com

ukcag.o2.com

conf.o2.com

autodiscover.o2.com

de.o2.com

mdcomms20.o2.com

sk.o2.com

push.o2.com

Same first word

o2.ie

o2.net

o2.be

o2.ma

o2.lol

o2.capital

o2.hr

o2.app

o2.com.hk

o2.eu

o2.tv

o2.net.pl

o2.uk

o2.team

o2.cc

o2.co.za

o2.se

o2.net.kg

o2.ee

o2.fitness

o2.guru

o2.world

o2.cz

o2.edu.vn

o2.ag

o2.fr

o2.co.kr

o2.rs

o2.net.br

o2.dev

o2.art.br

o2.net.ru

o2.ru

o2.co

o2.kiev.ua

o2.si

o2.sg

o2.business

o2.com.mx

o2.ro

o2.no

o2.com.es

o2.de

o2.com.au

o2.lk

o2.kz

o2.com.br

o2.la

o2.support

o2.church

o2.agency

o2.ua

o2.ventures

o2.at

o2.su

o2.io

o2.sk

o2.biz

o2.com

o2.com.tr

o2.nl

o2.bio

o2.by

o2.co.uk

o2.kg

o2.pro

o2.org

o2.com.pl

o2.ca

o2.nu

o2.to

o2.academy

o2.ae

o2.click

o2.lc

o2.events

o2.hu

o2.com.py

o2.pl

Similar names

2o.at

2o.si

2o.co

2o.cx

2o.de

2o.su

2o.hu

2o.no

2o.nz

2o.cl

2o.nl

2o.dk

2o.hk

2o.se

2o.house

2o.ro

2o.pl

2o.org

2o.cz

2o.be

2o.ca

2o.com

2o.ai

2o.fr

2o.cc

DNS History

17 records (9 active, 8 former)

○NSdns0.02.net2015-08-25 → 2017-06-20 · 4 obs

● 2015-08-25 12:40:58
● 2017-06-20 14:48:26
○ 2017-07-25 23:29:50
○ 2026-08-08 01:35:04

○NSdns1.02.net2015-08-25 → 2017-06-20 · 4 obs

● 2015-08-25 12:40:58
● 2017-06-20 14:48:26
○ 2017-07-25 23:29:50
○ 2026-08-08 01:35:04

○NSdns2.02.net2015-08-25 → 2018-05-09 · 4 obs

● 2015-08-25 12:40:58
● 2018-05-09 16:44:44
○ 2018-06-14 07:49:52
○ 2026-08-08 01:35:04

○NSdns3.02.net2015-08-25 → 2018-05-09 · 4 obs

● 2015-08-25 12:40:58
● 2018-05-09 16:44:44
○ 2018-06-14 07:49:52
○ 2026-08-08 01:35:04

●NSn1.02.net2017-07-25 → 2026-08-08 · 3 obs

○ 2017-06-20 14:48:26
● 2017-07-25 23:29:50
● 2026-08-08 01:35:04

●NSn2.02.net2018-06-14 → 2026-08-08 · 3 obs

○ 2018-05-09 16:44:44
● 2018-06-14 07:49:52
● 2026-08-08 01:35:04

●NSn3.02.net2017-07-25 → 2026-08-08 · 3 obs

○ 2017-06-20 14:48:26
● 2017-07-25 23:29:50
● 2026-08-08 01:35:04

●NSn4.02.net2018-06-14 → 2026-08-08 · 3 obs

○ 2018-05-09 16:44:44
● 2018-06-14 07:49:52
● 2026-08-08 01:35:04

○MXcust1445-1.in.mailcontrol.com2015-08-25 → 2016-02-10 · 4 obs

● 2015-08-25 12:40:58
● 2016-02-10 02:17:42
○ 2016-03-03 20:38:46
○ 2026-08-08 01:35:04

○MXcust1445-2.in.mailcontrol.com2015-08-25 → 2016-02-10 · 4 obs

● 2015-08-25 12:40:58
● 2016-02-10 02:17:42
○ 2016-03-03 20:38:46
○ 2026-08-08 01:35:04

●MXdmell-seg-03.o2.com2016-05-24 → 2026-08-08 · 3 obs

○ 2016-03-03 20:38:46
● 2016-05-24 21:52:20
● 2026-08-08 01:35:04

●MXdmell-seg-04.o2.com2016-05-24 → 2026-08-08 · 3 obs

○ 2016-03-03 20:38:46
● 2016-05-24 21:52:20
● 2026-08-08 01:35:04

●MXdmmlw-seg-01.o2.com2016-02-06 → 2026-08-08 · 3 obs

○ 2015-08-25 12:40:58
● 2016-02-06 09:05:08
● 2026-08-08 01:35:04

●MXdmmlw-seg-02.o2.com2016-02-06 → 2026-08-08 · 3 obs

○ 2015-08-25 12:40:58
● 2016-02-06 09:05:08
● 2026-08-08 01:35:04

●A20.162.150.902026-02-15 → 2026-08-08 · 3 obs

○ 2022-01-02 12:46:46
● 2026-02-15 08:10:30
● 2026-08-08 01:35:04

○A51.104.149.902021-03-05 → 2022-01-02 · 5 obs

○ 2020-10-16 08:21:02
● 2021-03-05 21:42:16
● 2022-01-02 12:46:46
○ 2026-02-15 08:10:30
○ 2026-08-08 01:35:04

○A83.231.179.172015-08-25 → 2020-10-16 · 4 obs

● 2015-08-25 12:40:58
● 2020-10-16 08:21:02
○ 2021-03-05 21:42:16
○ 2026-08-08 01:35:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
o2.com	n1.02.net, n2.02.net, n3.02.net, n4.02.net	-

✅ Authoritative Response

Server:82.132.128.114

NS records: n1.02.net, n2.02.net, n3.02.net, n4.02.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o2.com (unsigned zone)

⏱️ Timing

Total: 803ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.162.150.90`
NS	4	`n2.02.net, n3.02.net...`
MX	4	`dmmlw-seg-01.o2.com (pri: 10), dmmlw-seg-02.o2.com (pri: 10)...`
TXT	7	`google-site-verification=BA6qs9P2zvz7VSF, MS=ms26678149...`
SOA	1	`n1.02.net hostmaster.02.net`

Analysis

Hierarchy

vendor-auth.o2.com, dmell-seg-03.o2.com, cz.o2.com, outlook.o2.com, seal.o2.com and a few other host names are all children of o2.com.

IP Addresses

o2.com points to a single IP number: 20.162.150.90.

www.o2.com, o2.co.uk, o2recycle.co.uk and 02.co.uk are among the host names that share IP numbers with o2.com.

Name Servers

o2.com has four authoritative name servers: n1.02.net, n2.02.net, n3.02.net and n4.02.net.

The name servers of o2.com overlap at least partially with those of other domains — among them o2chargybargy.co.uk, o2businesstext.co.uk, 237.132.82.in-addr.arpa and two more.

n1.02.net, n2.02.net, n3.02.net and n4.02.net each resolve to one IP address: n1.02.net resolves to 82.132.128.98, n2.02.net resolves to 82.132.128.106, n3.02.net resolves to 82.132.128.114 and n4.02.net resolves to 82.132.128.122.

Mail Servers

Mail for o2.com is handled by four mail servers: dmell-seg-03.o2.com, dmell-seg-04.o2.com, dmmlw-seg-01.o2.com and dmmlw-seg-02.o2.com.

o2.com shares mail servers — at least in part — with other domains, including o2broadband.co.uk, o2academy.co.uk, beunlimited.co.uk and two others.

dmell-seg-03.o2.com, dmell-seg-04.o2.com, dmmlw-seg-01.o2.com and dmmlw-seg-02.o2.com each resolve to one IP address: dmell-seg-03.o2.com resolves to 158.230.201.10, dmell-seg-04.o2.com resolves to 158.230.201.11, dmmlw-seg-01.o2.com resolves to 158.230.101.187 and dmmlw-seg-02.o2.com resolves to 158.230.101.188.