mesterskud.dk

📜 Historical scan 2026-08-29 19:16:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mesterskud.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 August 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.141 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mesterskud-dk.mail.protection.outlook.com, aspmx.l.google.com and 4 more. The zone is DNSSEC-signed and validates, has no 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#

2 records 106ms

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 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.141	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

6 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mesterskud-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 52.101.68.21 52.101.68.25 52.101.68.32 52.101.73.26	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

1 records 103ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:68:5ea:2f6a:d9a5	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 271ms

TXT Record
google-site-verification=EQsjoTDzv9GAXKP-ZxM7cOoZw1VOnIrA7AFTrA0BMSc
ji6oqb3c502h5q64u58tb04pab
MS=ms88233803
v=spf1 a mx ip4:77.66.20.107 ip4:159.122.30.222 ip4:159.122.30.197 ip4:159.122.30.196 ip4:46.30.212.189 mx:mesterskud-dk.mail.protection.outlook.com include:mail.zendesk.com include:spf.protection.outlook.com include:_custspf.one.com include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (mesterskud.dk)
-all (hard fail)	v=spf1 a mx ip4:77.66.20.107 ip4:159.122.30.222 ip4:159.122.30.197 ip4:159.122.30.196 ip4:46.30.212.189 mx:mesterskud-dk.mail.protection.outlook.com include:mail.zendesk.com include:spf.protection.outlook.com include:_custspf.one.com include:spf.mandrillapp.com -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#

latest probe, not this scan · checked 2026-10-08 11:48:00

www	46.30.213.141 2a02:2350:5:10c:68:5ea:2f6a:d9a5 (AS51468) (address records, no CNAME)
www vs bare domain	Same network mesterskud.dk: 46.30.213.141 2a02:2350:5:10c:68:5ea:2f6a:d9a5 (AS51468) www.mesterskud.dk: 46.30.213.141 2a02:2350:5:10c:68:5ea:2f6a:d9a5 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mesterskud.dk	1cyJoA6vwXsmbGeKwmdeijgeotnpH0DWd7B82zupMP4
TXT	_acme-challenge.mesterskud.dk	NP9jQbknOMzkrHWUWdzZwQQagbdGhHMok6_p-Z9oSXs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

213ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082901
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 2026-10-15 11:53:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-08-27
Expires	2027-08-31 (307d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

106ms

82ms

80ms

AAAA

103ms

TXT

271ms

CAA

91ms

HTTPS

83ms

TLSA

745ms

SOA

0ms

MTA-STS

146ms

DNSSEC

213ms

SRV

129ms

Total

2007ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 06:11:14	1712ms	2 NS 1 A 6 MX	🔒 Secure
2026-09-26 04:40:10	1221ms	2 NS 1 A 6 MX	🔒 Secure
2026-09-23 17:57:00	1274ms	2 NS 1 A 6 MX	🔒 Secure
2026-09-12 17:33:34	1622ms	2 NS 1 A 6 MX	🔒 Secure
2026-08-29 19:16:52 shown	2007ms	2 NS 1 A 6 MX	🔒 Secure
2026-08-24 16:50:29	1111ms	2 NS 1 A 6 MX	🔒 Secure
2026-08-20 10:09:45	5979ms	2 NS 1 A 6 MX	🔒 Secure
2026-07-26 06:20:51	9936ms	2 NS 1 A 6 MX	🔒 Secure
2026-07-25 05:52:55	3515ms	2 NS 1 A 6 MX	🔒 Secure
2026-07-03 01:00:18	9880ms	2 NS 1 A 6 MX	🔒 Secure
2026-06-22 22:25:21	1284ms	2 NS 1 A 6 MX	🔒 Secure
2026-06-22 14:07:05	902ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 00:13:36	1198ms	2 NS 1 A 6 MX	🔒 Secure