51zero.org - dns.ninja

`51zero.org`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:101:2f:b4e9:5380:e286^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	77.111.240.197^{🇩🇰 ONECOM77.111.240.0/22 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.246^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx1.pub.mailpod12-cph3.one.com`
MX	`mx2.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.247^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx2.pub.mailpod12-cph3.one.com`
MX	`mx3.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.248^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx3.pub.mailpod12-cph3.one.com`
MX	`mx4.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.249^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx4.pub.mailpod12-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-07-24 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784872846

Same first word

51zero.org

Similar names

zero51.it

15zero.it

zero51.com

15zero.com

DNS History

12 records (8 active, 4 former)

●NSns01.one.com2015-04-11 → 2026-07-24 · 2 obs

● 2015-04-11 10:24:34
● 2026-07-24 06:28:38

●NSns02.one.com2015-04-11 → 2026-07-24 · 2 obs

● 2015-04-11 10:24:34
● 2026-07-24 06:28:38

●MXmx1.pub.mailpod12-cph3.one.com2026-07-14 → 2026-07-24 · 3 obs

○ 2017-04-05 11:08:50
● 2026-07-14 09:32:06
● 2026-07-24 06:28:38

●MXmx2.pub.mailpod12-cph3.one.com2026-07-14 → 2026-07-24 · 3 obs

○ 2017-04-05 11:08:50
● 2026-07-14 09:32:06
● 2026-07-24 06:28:38

●MXmx3.pub.mailpod12-cph3.one.com2026-07-14 → 2026-07-24 · 3 obs

○ 2017-04-05 11:08:50
● 2026-07-14 09:32:06
● 2026-07-24 06:28:38

●MXmx4.pub.mailpod12-cph3.one.com2026-07-14 → 2026-07-24 · 3 obs

○ 2017-04-05 11:08:50
● 2026-07-14 09:32:06
● 2026-07-24 06:28:38

○MXmxcluster1.one.com2015-04-11 → 2017-04-05 · 4 obs

● 2015-04-11 10:24:34
● 2017-04-05 11:08:50
○ 2026-07-14 09:32:06
○ 2026-07-24 06:28:38

○MXmxcluster2.one.com2015-04-11 → 2017-04-05 · 4 obs

● 2015-04-11 10:24:34
● 2017-04-05 11:08:50
○ 2026-07-14 09:32:06
○ 2026-07-24 06:28:38

●A2a02:2350:5:101:2f:b4e9:5380:e2862026-07-14 → 2026-07-24 · 2 obs

● 2026-07-14 09:32:06
● 2026-07-24 06:28:38

○A2a02:2350:5:101:b3:5f0f:9dbe:72d92026-07-14 → 2026-07-24 · 2 obs

○ 2026-07-14 09:32:06
○ 2026-07-24 06:28:38

●A77.111.240.1972026-07-14 → 2026-07-24 · 2 obs

● 2026-07-14 09:32:06
● 2026-07-24 06:28:38

○A77.111.240.2142026-07-14 → 2026-07-24 · 2 obs

○ 2026-07-14 09:32:06
○ 2026-07-24 06:28:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
51zero.org	ns02.one.com, ns01.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns02.one.com, ns01.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 769ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.111.240.197`
AAAA	1	`2a02:2350:5:101:2f:b4e9:5380:e286`
NS	2	`ns01.one.com, ns02.one.com`
MX	4	`mx2.pub.mailpod12-cph3.one.com (pri: 10), mx1.pub.mailpod12-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

51zero.org has two IP addresses: 77.111.240.197 and 2a02:2350:5:101:2f:b4e9:5380:e286

Two other host names, along with www.capafrisorer.se, vvsgroup.se and capafrisorer.se, also share IP numbers with 51zero.org.

Name Servers

51zero.org uses two name servers for its delegation: ns01.one.com and ns02.one.com.

51zero.org shares its NS records with other domains, for example i-shiftgearbox.com, berlins.se, mdogs.co.uk and two others.

The two host names ns01.one.com and ns02.one.com each have a pair of IP addresses: ns01.one.com has 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com has 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

Mail for 51zero.org is handled by four mail servers: mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com, mx3.pub.mailpod12-cph3.one.com and mx4.pub.mailpod12-cph3.one.com.

There is at least a partial MX overlap between 51zero.org and other domains, including dahn.no, legaldatos.com, dechronoliegtniet.be and two others.

The hosts mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com, mx3.pub.mailpod12-cph3.one.com and mx4.pub.mailpod12-cph3.one.com all resolve to exactly one IP address each: 104.37.34.246, 104.37.34.247, 104.37.34.248 and 104.37.34.249 respectively.