mailpass.dk

📜 Historical scan 2026-09-30 17:36:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mailpass.dk is a .dk domain served by 3 nameservers (ns1.heimdns.net, ns2.heimdns.net, ns3.heimdns.net). It was registered on 21 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.105.157 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.sohola.net. 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#

3 records 1394ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.heimdns.net	2a01:4f9:c013:3e15::53 77.42.80.67	ns1.heimdns.net ns1.heimdns.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.heimdns.net	2a01:4f8:c012:84a2::53 88.99.85.105	ns2.heimdns.net ns2.heimdns.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.heimdns.net	185.31.77.53 2a00:b920:3:1337:77::53	ns3.heimdns.net ns3.heimdns.net	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records#

1 records 806ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.52.105.157	1337s	0x5734699d.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 1643ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	1337s	mx.sohola.net	213.142.141.225 2a00:b921:1:1337:10:141:0:225	mx.sohola.net mx.sohola.net	AS47527 DLX A/S AS47527 DLX A/S

🔷 AAAA Records (IPv6)#

1 records 1808ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:5e41:b02:580:42:da7a:0:157	1337s	—	AS209424	Fastspeed A/s	2a09:5e41:800:0:0:0:0:0/37	🇩🇰 Denmark	Skjern

🔐 HTTPS Records#

1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h2"

📝 TXT Records#

1 records 2639ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (mailpass.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.mailpass.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 MTA-STS#

2909ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	1337
max_age	172800s
Policy MX	mx.sohola.net

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

3 records 2049ms

Flags	Tag	Value
0	iodef	mailto:hostmaster@mailpass.dk
0	issue	letsencrypt.org
0	issuewild	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 18:15:33

www CNAME	mailpass.dk (all on mailpass.dk) → 87.52.105.157 2a09:5e41:b02:580:42:da7a:0:157 (AS3292 AS209424)
www vs bare domain	Same network mailpass.dk: 87.52.105.157 2a09:5e41:b02:580:42:da7a:0:157 (AS3292 AS209424) www.mailpass.dk: 87.52.105.157 2a09:5e41:b02:580:42:da7a:0:157 (AS3292 AS209424)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 2901ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.sohola.net	DANE-EE · SPKI · SHA-256	B773093E63819E4DD4910A7D61C2F318…

🔐 DNSSEC#

815ms

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

🏷️ SOA#

89ms

Field	Value
Serial	2026062411
Primary NS (MNAME)	ns1.heimdns.net
Responsible (RNAME)	hostmaster@heimdns.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 23:41:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-03-21
Expires	2027-03-20 (154d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
holt-larsen.dk	Punktum dk A/S (direct)
ipbot.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

1394ms

806ms

1643ms

AAAA

1808ms

TXT

2639ms

CAA

2049ms

HTTPS

54ms

TLSA

2901ms

SOA

89ms

MTA-STS

2909ms

DNSSEC

815ms

SRV

1891ms

Total

6347ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 13:53:46	1813ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 17:36:27 shown	6347ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:47:40	6480ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-12 04:51:15	4179ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 16:47:29	2403ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-30 19:00:43	3075ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 08:52:35	4296ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 06:46:11	5911ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 22:24:44	838ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 21:53:35	2741ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:52:12	7913ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:35:18	241ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:31:46	565ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:07:27	9185ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 15:59:20	12811ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:00:24	1510ms	2 NS 1 A 1 MX	🔒 Secure