itmasters.dk

📜 Historical scan 2026-09-23 19:21:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itmasters.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by itmasters-dk.mail.eo.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 41ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.19.253.159	43200s	—	—	—	—	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	itmasters-dk.mail.eo.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca38::8 2a01:111:f403:ca48::a 52.101.103.143 52.101.209.153 52.101.91.159 52.101.91.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 161ms

TXT Record
MS=ms49323392

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 12:37:51

www	81.19.253.159 (address records, no CNAME)
www vs bare domain	Same network itmasters.dk: 81.19.253.159 www.itmasters.dk: 81.19.253.159
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

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

🏷️ SOA#

0ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

34ms

42ms

AAAA

42ms

TXT

161ms

CAA

42ms

HTTPS

37ms

TLSA

212ms

SOA

0ms

MTA-STS

59ms

DNSSEC

81ms

SRV

97ms

Total

858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:37:51	453ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:25:11	844ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 20:15:32	807ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:21:24 shown	858ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 04:54:29	2451ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 15:42:34	4634ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 04:49:10	4291ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 00:56:15	3746ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 23:43:12	1191ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:18:25	3772ms	2 NS 1 A 1 MX	🔒 Secure