post.dk

📜 Historical scan 2026-10-12 13:19:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

post.dk is a .dk domain served by 4 nameservers (dns01.dipcon.com, dns02.ports.se, dns03.ports.se and 1 more). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.109 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by post-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
dns01.dipcon.com	193.14.90.50 2a00:801:fb:253::4	dns01.dipcon.com dns01.dipcon.com	AS1257 Tele2 SWIPnet AS1257 Tele2 SWIPnet
dns02.ports.se	2001:19f0:5001:2a:5400:ff:fe38:1e6f 45.63.42.179	dns02.ports.se dns02.ports.se	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
dns03.ports.se	2a04:3540:1000:310:287e:f6ff:fe1d:4789 94.237.33.102	dns03.ports.se dns03.ports.se	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
dns04.ports.net	158.255.211.116 2a03:f80:ed15:3ec8::1	dns04.ports.net dns04.ports.net	AS57169 EDIS GmbH AS57169 EDIS GmbH

🌍 A Records#

4 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.109	300s	server-3-174-18-109.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.129	300s	server-3-174-18-129.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.43	300s	server-3-174-18-43.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.85	300s	server-3-174-18-85.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	post-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca21::10 2a01:111:f403:ca21::c 52.101.185.21 52.101.68.39 52.101.68.8 52.101.91.153	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

8 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:28e5:2800:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:4c00:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:9a00:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:a200:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:c600:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:d800:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:e000:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:fe00:18:ec11:8680:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 670ms

TXT Record
_tk09ijb9lzdvctss6hkwpgef9ztd8xo
MS=ms47882005
OKrtZc+d5rTu7G7T/jIE+qBBTIvEPWAtnyWsBdbvfYqgR0w8TuJEBFeXphbazVse8Teit4gSETTbb730FCWzlQ==
v=spf1 include:spf.protection.outlook.com include:spf.hostnordic.com ip4:62.13.41.246 ip4:193.183.118.11 ip4:193.183.119.11 ip4:193.3.69.4 ip4:193.3.69.5 ip4:147.14.50.43 ip4:147.14.50.44 ip4:147.14.50.36 ip4:147.14.50.37 ip4:77.95.151.167 -all

✉️ SPF#

Policy	Record (post.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.hostnordic.com ip4:62.13.41.246 ip4:193.183.118.11 ip4:193.183.119.11 ip4:193.3.69.4 ip4:193.3.69.5 ip4:147.14.50.43 ip4:147.14.50.44 ip4:147.14.50.36 ip4:147.14.50.37 ip4:77.95.151.167 -all

📨 DMARC#

Policy	Record (_dmarc.post.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:9kqyvuc8@ag.eu.dmarcadvisor.com,mailto:rua@dmarc.portsgroup.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 20:09:22

www CNAME	www.post.dk.redirect.pncloud.se (all on pncloud.se) → 3.174.18.109 3.174.18.129 3.174.18.43 3.174.18.85 2600:9000:28e5:1400:18:ec11:8680:93a1 2600:9000:28e5:1e00:18:ec11:8680:93a1 2600:9000:28e5:400:18:ec11:8680:93a1 2600:9000:28e5:5000:18:ec11:8680:93a1 (AS16509)
www vs bare domain	Same network post.dk: 18.66.102.113 18.66.102.129 18.66.102.40 18.66.102.55 (AS16509) www.post.dk: 3.174.18.109 3.174.18.129 3.174.18.43 3.174.18.85 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-post-dk._domainkey.postnord.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

76ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

69ms

Field	Value
Serial	2026101204
Primary NS (MNAME)	dns01.dipcon.com
Responsible (RNAME)	registry@ports.net
Refresh	14400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-05 03:21:52

Field	Value
Registrar	Abion AB
Registered	1997-01-31
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

47ms

44ms

AAAA

44ms

TXT

670ms

CAA

47ms

HTTPS

42ms

TLSA

525ms

SOA

69ms

MTA-STS

183ms

DNSSEC

76ms

SRV

357ms

Total

1529ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 20:09:22	2585ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-15 18:15:28	2290ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-14 18:00:33	2293ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-13 16:39:57	3297ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-12 13:19:22 shown	1529ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-11 09:01:48	3012ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-11 08:56:20	2375ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-10 06:21:30	4625ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-09 04:07:17	2720ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-08 04:04:38	6212ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-07 04:03:01	3667ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-06 02:59:45	2369ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-05 02:56:23	5622ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-04 02:38:24	1949ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-03 10:51:03	2273ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-02 10:48:10	1669ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-01 10:35:35	4611ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-30 10:24:18	2166ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-29 10:14:37	2989ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-28 10:02:58	1547ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-27 09:59:40	1862ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-26 09:52:02	3262ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-25 19:08:17	1905ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-24 18:49:25	2066ms	4 NS 4 A 1 MX	🔒 Secure
2026-09-23 17:28:35	2385ms	4 NS 4 A 1 MX	🔒 Secure