teoriguiden.dk

Records from scan: 2026-10-08 20:06:58 · 7352ms total · last checked 2026-10-16 18:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

teoriguiden.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 9 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

4 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	3600s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	3600s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	3600s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
189.199.110.153	3600s	customer-MCA-PUEBLA-110-153.megared.net.mx	AS13999	Mega Cable, S.A. de C.V.	189.199.108.0/22	🇲🇽 Mexico	Puebla City

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 117ms

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

✉️ SPF#

Policy	Record (teoriguiden.dk)
~all (soft fail)	v=spf1 include:spf.dandomain.dk ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-08 20:06:58

www CNAME	teoriguiden.github.io (all on github.io) → 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 2606:50c0:8000::153 2606:50c0:8001::153 2606:50c0:8002::153 2606:50c0:8003::153 (AS54113)
www vs bare domain	Same network teoriguiden.dk: 185.199.108.153 185.199.109.153 185.199.111.153 189.199.110.153 (AS13999 AS54113) www.teoriguiden.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

133ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2026100801
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 15:57:13

Field	Value
Registrar	DANDOMAIN A/S
Registered	2023-10-09
Expires	2027-10-08 (355d)

🔗 Same registrant#

1 domain

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
køreprøvedanmark.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

47ms

59ms

41ms

AAAA

57ms

TXT

117ms

CAA

50ms

HTTPS

63ms

TLSA

6670ms

SOA

30ms

MTA-STS

61ms

DNSSEC

133ms

SRV

60ms

Total

7352ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 20:06:58 shown	7352ms	2 NS 4 A 2 MX	🔒 Secure
2026-09-03 02:17:07	1598ms	2 NS 4 A 0 MX	🔒 Secure
2026-08-27 09:24:17	10364ms	2 NS 4 A 0 MX	🔒 Secure
2026-07-25 22:06:04	9728ms	2 NS 4 A 0 MX	🔒 Secure
2026-06-18 05:03:56	16217ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-18 04:02:03	806ms	2 NS 2 A 0 MX	🔒 Secure