mesterguiden.dk

Records from scan: 2026-10-03 23:10:01 · 1421ms total · last checked 2026-10-17 22:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mesterguiden.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.235.254.10 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.235.254.10	3600s	nyhedsbrev.odsgard.dk	AS3308	Norlys Telco A/S	85.235.224.0/19	🇩🇰 Denmark	Hørsholm

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mesterguiden.dk → 85.235.254.10
🔶 Autoconfig	mesterguiden.dk → 85.235.254.10

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 146ms

TXT Record
v=spf1 a mx ptr ip4:86.58.254.141 mx:mesterguiden.dk ~all

✉️ SPF#

Policy	Record (mesterguiden.dk)
~all (soft fail)	v=spf1 a mx ptr ip4:86.58.254.141 mx:mesterguiden.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 2026-10-14 18:08:15

www CNAME	mesterguiden.dk (all on mesterguiden.dk) → 85.235.254.10 (AS3308)
www vs bare domain	Same network mesterguiden.dk: 85.235.254.10 (AS3308) www.mesterguiden.dk: 85.235.254.10 (AS3308)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.mesterguiden.dk	mesterguiden.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026100301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-03 23:27:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-01-16
Expires	2029-03-31 (894d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

51ms

43ms

AAAA

29ms

TXT

146ms

CAA

41ms

HTTPS

41ms

TLSA

373ms

SOA

32ms

MTA-STS

51ms

DNSSEC

114ms

SRV

61ms

Total

1421ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 23:10:01 shown	1421ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-28 22:33:40	794ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 20:29:57	735ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:28:51	2186ms	2 NS 1 A 2 MX	🔒 Secure