`o3.security`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4f0a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8b91^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.10^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.145^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gwen.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gwen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gwen.ns.cloudflare.com`
		A	108.162.192.160^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	172.64.32.160^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	173.245.58.160^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
NS	`wesley.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wesley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wesley.ns.cloudflare.com`
		A	108.162.193.246^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
		A	172.64.33.246^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
		A	173.245.59.246^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
TXT	`google-site-verification=4fCNpjp95m9WwdgcdfPxrCQosYLvWTMfpwG9nNZp0GA`
TXT	`google-site-verification=egl5txpEgFDsvGMQ8rxuF8NwJpajO6mPztXXYFHdDFU`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.10, 172.67.139.145
		IPv6 hints	2606:4700:3030::6815:4f0a, 2606:4700:3037::ac43:8b91
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOA	`gwen.ns.cloudflare.com`dns@cloudflare.com serial=2410581471

`security`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.security`
	NS	`b.nic.security`
	NS	`e.nic.security`
	NS	`f.nic.security`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=225817

Same first word

o3.com.ua

o3.cz

o3.biz

o3.ru

o3.dk

o3.is

o3.poznan.pl

o3.si

o3.cr

o3.cn

o3.xyz

o3.pl

o3.com

o3.be

o3.nl

o3.cx

o3.cl

o3.world

o3.security

o3.ua

o3.no

o3.edu.pl

o3.ee

o3.ly

o3.network

o3.hu

o3.solutions

o3.net

o3.su

o3.ca

o3.fr

o3.sk

o3.at

o3.pe

o3.fi

o3.kiev.ua

o3.de

o3.cc

o3.org

Similar names

3o.yolasite.com

3o.dk

3o.ai

3o.hu

3o.cz

3o.cc

3o.fr

3o.no

3o.cn

3o.ph

3o.lt

3o.ca

3o.pl

3o.nu

3o.be

3o.biz

3o.net

3o.org

3o.se

3o.de

3o.eu

3o.com.ua

3o.io

3o.ru

DNS History

15 records (11 active, 4 former)

●NSgwen.ns.cloudflare.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●NSwesley.ns.cloudflare.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●MXalt1.aspmx.l.google.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●MXalt2.aspmx.l.google.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●MXalt3.aspmx.l.google.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●MXalt4.aspmx.l.google.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●MXaspmx.l.google.com2026-07-07 → 2026-07-27 · 2 obs

● 2026-07-07 09:24:08
● 2026-07-27 16:29:24

●A104.21.79.102026-07-23 → 2026-07-27 · 5 obs

○ 2026-07-07 09:24:08
● 2026-07-23 18:26:22
○ 2026-07-25 15:32:16
● 2026-07-27 16:29:22
● 2026-07-27 16:29:24

●A172.67.139.1452026-07-23 → 2026-07-27 · 5 obs

○ 2026-07-07 09:24:08
● 2026-07-23 18:26:22
○ 2026-07-25 15:32:16
● 2026-07-27 16:29:22
● 2026-07-27 16:29:24

○A188.114.96.02026-07-07 → 2026-07-25 · 5 obs

● 2026-07-07 09:24:08
○ 2026-07-23 18:26:22
● 2026-07-25 15:32:16
○ 2026-07-27 16:29:22
○ 2026-07-27 16:29:24

○A188.114.97.02026-07-07 → 2026-07-25 · 5 obs

● 2026-07-07 09:24:08
○ 2026-07-23 18:26:22
● 2026-07-25 15:32:16
○ 2026-07-27 16:29:22
○ 2026-07-27 16:29:24

●A2606:4700:3030::6815:4f0a2026-07-23 → 2026-07-27 · 5 obs

○ 2026-07-07 09:24:08
● 2026-07-23 18:26:22
○ 2026-07-25 15:32:16
● 2026-07-27 16:29:22
● 2026-07-27 16:29:24

●A2606:4700:3037::ac43:8b912026-07-23 → 2026-07-27 · 5 obs

○ 2026-07-07 09:24:08
● 2026-07-23 18:26:22
○ 2026-07-25 15:32:16
● 2026-07-27 16:29:22
● 2026-07-27 16:29:24

○A2a06:98c1:3120::2026-07-07 → 2026-07-25 · 5 obs

● 2026-07-07 09:24:08
○ 2026-07-23 18:26:22
● 2026-07-25 15:32:16
○ 2026-07-27 16:29:22
○ 2026-07-27 16:29:24

○A2a06:98c1:3121::2026-07-07 → 2026-07-25 · 5 obs

● 2026-07-07 09:24:08
○ 2026-07-23 18:26:22
● 2026-07-25 15:32:16
○ 2026-07-27 16:29:22
○ 2026-07-27 16:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
security	b.nic.security, a.nic.security, f.nic.security, e.nic.security	8 records
o3.security	wesley.ns.cloudflare.com, gwen.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.246

NS records: wesley.ns.cloudflare.com, gwen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o3.security (unsigned zone)

⏱️ Timing

Total: 800ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.145, 104.21.79.10`
AAAA	2	`2606:4700:3037::ac43:8b91, 2606:4700:3030::6815:4f0a`
NS	2	`gwen.ns.cloudflare.com, wesley.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=4fCNpjp95m9Wwdg, google-site-verification=egl5txpEgFDsvGM...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gwen.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (f.nic.security, e.nic.security, b.nic.security...)

Analysis

IP Addresses

o3.security resolves to four IP addresses: 104.21.79.10, 172.67.139.145, 2606:4700:3030::6815:4f0a and 2606:4700:3037::ac43:8b91.

Two other host names, along with sael-online.com, informamaritimeevents.com and vishald.com, also share IP numbers with o3.security.

Name Servers

Two name servers handle the delegation for o3.security: gwen.ns.cloudflare.com and wesley.ns.cloudflare.com.

o3.security shares its NS records with other domains, for example astralwj.co.il, ncearc.org, thearclabs.org and two others.

o3.security partially shares its NS delegation with several other domains, including tipi.ee, goldgeargroup.co.th, kracensoft.com and two others.

These name servers often co-occur with the name servers theo.ns.cloudflare.com.

DNS names with 6 IP addresses:

gwen.ns.cloudflare.com resolves to 108.162.192.160, 172.64.32.160 and 173.245.58.160 among others, with 3 other IP addresses in total.

wesley.ns.cloudflare.com resolves to 108.162.193.246, 172.64.33.246 and 173.245.59.246 among others, with 3 other IP addresses in total.

Mail Servers

o3.security is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between o3.security and other domains, including kalu.co, ns500742.ns500754.ns500688.ns500671.ns500688.ns500705.ns500678.ns500291.ns500649.ns500142.lusty(0x736c7574)z.com, tisocial.mx and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com resolves to two addresses: 172.253.63.27 and 2607:f8b0:4004:c06::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.

o3.security - robtex.com

o3.security

security

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`o3.security`

`security`