theilgaardjensen.dk

📜 Historical scan 2026-06-27 23:23:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

theilgaardjensen.dk is a .dk domain served by 3 nameservers (ns1.heimdns.net, ns2.heimdns.net, ns3.heimdns.net). It was registered on 9 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.0x7f.dk. 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 49ms

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#

🌍

No A records found

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1337	300s	mx.0x7f.dk	116.202.105.157 2a01:4f8:c013:bc40::25	mx.0x7f.dk mx.0x7f.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 447ms

TXT Record
v=spf1 include:spf.0x7f.dk ~all

✉️ SPF#

Policy	Record (theilgaardjensen.dk)
~all (soft fail)	v=spf1 include:spf.0x7f.dk ~all

📨 DMARC#

Policy	Record (_dmarc.theilgaardjensen.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:hostmaster@theilgaardjensen.dk; sp=none; aspf=r;

📬 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 2026-10-08 19:32:24

www	NXDOMAIN
www vs bare domain	Neither resolves theilgaardjensen.dk: no address www.theilgaardjensen.dk: no address
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
dkim	—	RSA · ~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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 165ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.0x7f.dk	DANE-EE · SPKI · SHA-256	DEB7CC36CED3A151804FC2666448DF3A…

🔐 DNSSEC#

1068ms

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

🏷️ SOA#

247ms

Field	Value
Serial	2026062403
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 2026-10-10 11:22:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-05-09
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

1054ms

49ms

AAAA

1766ms

TXT

447ms

CAA

48ms

HTTPS

1252ms

TLSA

165ms

SOA

247ms

MTA-STS

49ms

DNSSEC

1068ms

SRV

1872ms

Total

2537ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 19:32:24	1560ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-24 23:49:03	11071ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-16 17:08:54	2613ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-05 18:39:17	9824ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-04 11:34:17	4423ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-27 23:23:38 shown	2537ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-25 13:24:50	488ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-25 13:04:55	2489ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-25 01:30:49	9432ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-18 03:26:25	1514ms	2 NS 0 A 1 MX	🔓 Insecure