mdehn.dk

📜 Historical scan 2026-06-18 00:32:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mdehn.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 269ms

TXT Record
mailsec.protonmail.ch
protonmail-verification=d451ca09eac34dd3d773829944b7cac3fc5096b7
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (mdehn.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.mdehn.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-12 22:50:50

www	94.231.103.57 (AS48854) (address records, no CNAME)
www vs bare domain	Same network mdehn.dk: 94.231.103.57 (AS48854) www.mdehn.dk: 94.231.103.57 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 50ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

108ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

41ms

Field	Value
Serial	2025012905
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

43ms

32ms

AAAA

43ms

TXT

269ms

CAA

104ms

HTTPS

41ms

TLSA

50ms

SOA

41ms

MTA-STS

82ms

DNSSEC

108ms

SRV

135ms

Total

654ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:50:50	1489ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 03:51:35	1144ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:45:40	605ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 00:58:09	402ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-28 09:46:00	689ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-20 01:30:36	531ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-18 00:32:12 shown	654ms	3 NS 0 A 1 MX	🔒 Secure