postcode.org - dns.ninja

`postcode.org`

DNSSEC	⚠️ Not signed
A	37.18.143.85^{🇮🇲 SURE-International-Limited37.18.142.0/23}
NS	`ns1.livedns.co.uk` ⭐
		A	2001:8d8:fe:53:fa::1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1.slndns.co.uk`
		A	217.160.81.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1.livedns.co.uk`
NS	`ns2.livedns.co.uk`
		A	2001:8d8:fe:53:fa::2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns2.slndns.co.uk`
		A	217.160.82.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns2.livedns.co.uk`
NS	`ns3.livedns.co.uk`
		A	2607:f1c0:fe:53:185:132:35:244^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns3.livedns.co.uk`
		A	185.132.35.244^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns3.livedns.co.uk`
MX	`mailserver.livemail.co.uk` ⭐
		A	212.227.24.137^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mailserver.livemail.co.uk`
TXT	`v=spf1 mx a include:_spf.livemail.co.uk ~all`
SOA	`ns1.livedns.co.uk`admin@postcode.org serial=1524916516

`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=1780574305

Subdomains

mailserver.postcode.org

www.postcode.org

Same first word

postcode.site

postcode.us

postcode.co.nz

postcode.at

postcode.games

postcode.ca

postcode.ws

postcode.lt

postcode.eu

postcode.com

postcode.nl

postcode.online

postcode.df.gov.br

postcode.ru

postcode.directory

postcode.cn

postcode.net

postcode.ro

postcode.nu

postcode.in

postcode.vn

postcode.fr

postcode.org.uk

postcode.com.ng

postcode.id

postcode.it

postcode.in.ua

postcode.co.uk

postcode.digital

postcode.org

postcode.co.za

postcode.de

postcode.ie

postcode.io

postcode.life

postcode.my

postcode.one

postcode.info

Similar names

DNS History

13 records (5 active, 8 former)

●NSns1.livedns.co.uk2016-08-22 → 2026-06-04 · 3 obs

○ 2016-04-18 05:19:00
● 2016-08-22 16:54:06
● 2026-06-04 12:31:08

○NSns1.p05.dynect.net2015-06-29 → 2016-04-18 · 4 obs

● 2015-06-29 18:03:42
● 2016-04-18 05:19:00
○ 2016-08-22 16:54:06
○ 2026-06-04 12:31:08

●NSns2.livedns.co.uk2016-08-22 → 2026-06-04 · 3 obs

○ 2016-04-18 05:19:00
● 2016-08-22 16:54:06
● 2026-06-04 12:31:08

○NSns2.p05.dynect.net2015-06-29 → 2016-04-18 · 4 obs

● 2015-06-29 18:03:42
● 2016-04-18 05:19:00
○ 2016-08-22 16:54:06
○ 2026-06-04 12:31:08

●NSns3.livedns.co.uk2016-08-22 → 2026-06-04 · 3 obs

○ 2016-04-18 05:19:00
● 2016-08-22 16:54:06
● 2026-06-04 12:31:08

○NSns3.p05.dynect.net2015-06-29 → 2016-04-18 · 4 obs

● 2015-06-29 18:03:42
● 2016-04-18 05:19:00
○ 2016-08-22 16:54:06
○ 2026-06-04 12:31:08

○NSns4.p05.dynect.net2015-06-29 → 2016-04-18 · 4 obs

● 2015-06-29 18:03:42
● 2016-04-18 05:19:00
○ 2016-08-22 16:54:06
○ 2026-06-04 12:31:08

●MXmailserver.livemail.co.uk2026-03-01 → 2026-06-04 · 3 obs

○ 2017-08-15 14:51:48
● 2026-03-01 21:29:58
● 2026-06-04 12:31:08

○MXmailserver.postcode.org2016-08-22 → 2017-08-15 · 5 obs

○ 2016-04-18 05:19:00
● 2016-08-22 16:54:06
● 2017-08-15 14:51:48
○ 2026-03-01 21:29:58
○ 2026-06-04 12:31:08

○MXmx1.nildram.co.uk2015-06-29 → 2016-02-03 · 4 obs

● 2015-06-29 18:03:42
● 2016-02-03 23:42:42
○ 2016-04-18 05:19:00
○ 2026-06-04 12:31:08

○MXmx2.nildram.co.uk2015-06-29 → 2016-02-03 · 4 obs

● 2015-06-29 18:03:42
● 2016-02-03 23:42:42
○ 2016-04-18 05:19:00
○ 2026-06-04 12:31:08

○A213.171.195.1052016-08-22 → 2017-08-15 · 4 obs

● 2016-08-22 16:54:06
● 2017-08-15 14:51:48
○ 2026-03-01 21:29:58
○ 2026-06-04 12:31:08

●A37.18.143.852026-03-01 → 2026-06-04 · 3 obs

○ 2017-08-15 14:51:48
● 2026-03-01 21:29:58
● 2026-06-04 12:31:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
postcode.org	ns3.livedns.co.uk, ns1.livedns.co.uk, ns2.livedns.co.uk	-

✅ Authoritative Response

Server:217.160.82.244

NS records: ns3.livedns.co.uk, ns1.livedns.co.uk, ns2.livedns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postcode.org (unsigned zone)

⏱️ Timing

Total: 1581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.18.143.85`
NS	3	`ns2.livedns.co.uk, ns3.livedns.co.uk...`
MX	1	`mailserver.livemail.co.uk (pri: 10)`
TXT	1	`v=spf1 mx a include:_spf.livemail.co.uk`
SOA	1	`ns1.livedns.co.uk admin.postcode.org`

Analysis

Hierarchy

mailserver.postcode.org and www.postcode.org are both subdomains of postcode.org.

IP Addresses

postcode.org resolves to one IP address: 37.18.143.85.

tracemaster.net, tracemaster.org, mailsaver.co.uk and two other host names share IP numbers with postcode.org.

Name Servers

DNS for postcode.org is handled by three authoritative name servers: ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk.

The name servers of postcode.org overlap at least partially with those of other domains — among them glory-farm.oxon.sch.uk, genderwise.net, creditscorer.co.uk and two more.

These name servers commonly appear alongside the name servers ns1.fast-hosts.org and ns2.fast-hosts.org.

Three hostnames — ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk — each have two IP addresses: ns1.livedns.co.uk has 217.160.81.244 and 2001:8d8:fe:53:fa::1, ns2.livedns.co.uk has 217.160.82.244 and 2001:8d8:fe:53:fa::2, and ns3.livedns.co.uk has 185.132.35.244 and 2607:f1c0:fe:53:185:132:35:244.

Mail Servers

Mail for postcode.org is handled by a single mail server, mailserver.livemail.co.uk.

postcode.org uses an identical mail server configuration to several other domains — among them amtico.co, wam.fyi, eawc.org.uk and two more.

mailserver.livemail.co.uk has exactly one IP number: 212.227.24.137.