postmark.dk - dns.ninja

postmark.dk

DNSSEC🔒 Signed (DS record present)
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
NSns01.one.com
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXaspmx.l.google.com
A2607:f8b0:4004:c21::1b🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f27.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
TXTgoogle-site-verification=1U4rEVddNBDOvuogbfHP1ieEwzNN9GSVYsvxHEx0ZNU
SOAns01.one.comhostmaster@one.com 2026-03-24 #1

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1780885981localtime Mon Jun 8 04:33:01 2026gmtime Mon Ju...
SOAb.nic.dktech@punktum.dk serial=1780885981

Same first word

Similar names

DNS History

17 records (11 active, 6 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.145193.201.39.221
NSns01.one.com2026-03-07 → 2026-06-08 · 3 obs
○ 2017-10-10 07:59:38
● 2026-03-07 02:28:12
● 2026-06-08 02:51:34
NSns02.one.com2026-03-07 → 2026-06-08 · 3 obs
○ 2017-10-10 07:59:38
● 2026-03-07 02:28:12
● 2026-06-08 02:51:34
NSns1.gratisdns.dk2015-07-12 → 2017-10-10 · 4 obs
● 2015-07-12 10:33:58
● 2017-10-10 07:59:38
○ 2026-03-07 02:28:12
○ 2026-06-08 02:51:34
NSns2.gratisdns.dk2015-07-12 → 2017-10-10 · 4 obs
● 2015-07-12 10:33:58
● 2017-10-10 07:59:38
○ 2026-03-07 02:28:12
○ 2026-06-08 02:51:34
NSns3.gratisdns.dk2015-07-12 → 2017-10-10 · 4 obs
● 2015-07-12 10:33:58
● 2017-10-10 07:59:38
○ 2026-03-07 02:28:12
○ 2026-06-08 02:51:34
NSns4.gratisdns.dk2015-07-12 → 2017-10-10 · 4 obs
● 2015-07-12 10:33:58
● 2017-10-10 07:59:38
○ 2026-03-07 02:28:12
○ 2026-06-08 02:51:34
NSns5.gratisdns.dk2015-07-12 → 2017-10-10 · 4 obs
● 2015-07-12 10:33:58
● 2017-10-10 07:59:38
○ 2026-03-07 02:28:12
○ 2026-06-08 02:51:34
MXalt1.aspmx.l.google.com2015-07-12 → 2026-06-08 · 2 obs
● 2015-07-12 10:33:58
● 2026-06-08 02:51:34
MXalt2.aspmx.l.google.com2015-07-12 → 2026-06-08 · 2 obs
● 2015-07-12 10:33:58
● 2026-06-08 02:51:34
MXaspmx.l.google.com2015-07-12 → 2026-06-08 · 2 obs
● 2015-07-12 10:33:58
● 2026-06-08 02:51:34
MXaspmx2.googlemail.com2015-07-12 → 2026-06-08 · 2 obs
● 2015-07-12 10:33:58
● 2026-06-08 02:51:34
MXaspmx3.googlemail.com2015-07-12 → 2026-06-08 · 2 obs
● 2015-07-12 10:33:58
● 2026-06-08 02:51:34
A193.201.39.2212015-07-12 → 2016-04-26 · 4 obs
● 2015-07-12 10:33:58
● 2016-04-26 02:24:18
○ 2016-11-30 07:13:10
○ 2026-06-08 02:51:34
A198.185.159.1442016-11-30 → 2026-06-08 · 3 obs
○ 2016-04-26 02:24:18
● 2016-11-30 07:13:10
● 2026-06-08 02:51:34
A198.185.159.1452016-11-30 → 2026-06-08 · 3 obs
○ 2016-04-26 02:24:18
● 2016-11-30 07:13:10
● 2026-06-08 02:51:34
A198.49.23.1442016-11-30 → 2026-06-08 · 3 obs
○ 2016-04-26 02:24:18
● 2016-11-30 07:13:10
● 2026-06-08 02:51:34
A198.49.23.1452016-11-30 → 2026-06-08 · 3 obs
○ 2016-04-26 02:24:18
● 2016-11-30 07:13:10
● 2026-06-08 02:51:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkh.nic.dk, s.nic.dk, c.nic.dk, t.nic.dk...-
postmark.dkns01.one.com, ns02.one.com-

✅ Authoritative Response

Server:185.10.11.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.145, 198.49.23.144...
NS2ns01.one.com, ns02.one.com
MX5alt1.aspmx.l.google.com (pri: 20), aspmx3.googlemail.com (pri: 30)...
TXT1google-site-verification=1U4rEVddNBDOvuo
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

postmark.dk points to 4 IP addresses — 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

wowxlab.com, nicolawakefield.co.uk, kollerscience.com plus two other host names have IP numbers in common with postmark.dk.

Name Servers

Two name servers handle the delegation for postmark.dk: ns01.one.com and ns02.one.com.

The name server configuration of postmark.dk is shared with other domains, for instance cyberdog.se, magh.dk, skovgaarden-is.dk and two others.

postmark.dk is at least partially co-delegated on name servers with other domains, such as skaaning.net.

ns01.one.com and ns02.one.com both carry two IP addresses. The A records for ns01.one.com are 195.206.121.10 and 2001:67c:28cc::10; the A records for ns02.one.com are 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

Mail for postmark.dk is routed through 5 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by postmark.dk are shared with other domains: bukovinski.com, autoadmanager.com, meetrustconsulting.com and two others among them.

It is common for these mail servers to be used in conjunction with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com, plus three others.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to two addresses: 142.250.31.26 and 2607:f8b0:4004:c21::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::1a.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 2a00:1450:400b:c02::1a IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.27 IP addresses.