ostemesteren.dk

📜 Historical scan 2026-09-30 10:20:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ostemesteren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.249 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ostemesteren-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 49ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.249	600s	vps.simpledigital.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	ostemesteren-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::24 52.101.103.39 52.101.181.156 52.101.68.39 52.101.73.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 164ms

TXT Record
MS=ms37207606
v=spf1 a ip4:128.76.154.137 include:spf.azehosting.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (ostemesteren.dk)
-all (hard fail)	v=spf1 a ip4:128.76.154.137 include:spf.azehosting.net include:spf.protection.outlook.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 2026-10-22 20:13:39

www	178.20.217.249 (AS21060) (address records, no CNAME)
www vs bare domain	Same network ostemesteren.dk: 178.20.217.249 (AS21060) www.ostemesteren.dk: 178.20.217.249 (AS21060)
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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

182ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026092001
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 2026-10-22 20:33:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-06-22
Expires	2027-06-30 (248d)

🔗 Same registrant#

2 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).

Domain	Registrar
himmelfjord.dk	DANDOMAIN A/S
om-olsted.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

37ms

28ms

AAAA

61ms

TXT

164ms

CAA

33ms

HTTPS

31ms

TLSA

608ms

SOA

46ms

MTA-STS

46ms

DNSSEC

182ms

SRV

51ms

Total

1208ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 20:13:39	1119ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 08:30:36	1956ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 07:19:57	899ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:20:49 shown	1208ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 03:37:42	1002ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 00:57:03	1831ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 22:29:07	1263ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 09:05:42	3291ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-24 15:57:09	25327ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 13:47:05	11621ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 21:17:08	797ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 23:14:28	1220ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:24:08	1509ms	2 NS 1 A 1 MX	🔒 Secure