xso.dk

📜 Historical scan 2026-10-05 18:04:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xso.dk is a .dk domain served by 2 nameservers (ns1.itmaster.net, ns2.itmaster.net). It was registered on 15 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.55.22.237 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.itmaster.net. The zone is DNSSEC-signed and validates, publishes a 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.itmaster.net	162.55.22.237	web1.itmaster.net	AS24940 Hetzner Online GmbH
ns2.itmaster.net	65.108.58.212	ns2.itmaster.net	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.55.22.237	3600s	web1.itmaster.net	AS24940	Hetzner Online GmbH	162.55.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.itmaster.net	142.132.131.220 2a01:4f8:272:2809::5	mail.itmaster.net mail.itmaster.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 103ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	5	143	mail.itmaster.net

📝 TXT Records#

1 records 255ms

TXT Record
v=spf1 +a +mx +a:spf.itmaster.net -all

✉️ SPF#

Policy	Record (xso.dk)
-all (hard fail)	v=spf1 +a +mx +a:spf.itmaster.net -all

📨 DMARC#

Policy	Record (_dmarc.xso.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s

📬 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 2026-10-16 10:07:16

www CNAME	xso.dk (all on xso.dk) → 162.55.22.237 (AS24940)
www vs bare domain	Same network xso.dk: 162.55.22.237 (AS24940) www.xso.dk: 162.55.22.237 (AS24940)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

93ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2026042155
Primary NS (MNAME)	ns1.itmaster.net
Responsible (RNAME)	hostmaster@itmaster.net
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	10800s

📋 Registration#

WHOIS fetched 2026-10-16 10:25:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-10-15
Expires	2027-10-14 (362d)

🔗 Same registrant#

4 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
morvea.dk	Punktum dk A/S (direct)
pahuus.dk	Punktum dk A/S (direct)
radiolort.dk	Punktum dk A/S (direct)
ser.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

57ms

46ms

AAAA

77ms

TXT

255ms

CAA

57ms

HTTPS

54ms

TLSA

102ms

SOA

56ms

MTA-STS

92ms

DNSSEC

93ms

SRV

103ms

Total

771ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 10:07:16	933ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 00:58:59	1408ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 20:19:14	2491ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:06:01	1360ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 18:04:07 shown	771ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 17:47:39	779ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 17:29:37	908ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 02:12:04	1460ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 00:36:22	622ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 16:06:00	1014ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 04:00:21	3010ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 19:37:25	903ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 20:34:59	10024ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 02:32:00	2812ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:02:02	1347ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:55:50	803ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 00:07:59	2718ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 22:07:05	1759ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 13:45:36	3430ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 06:31:03	17266ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 23:06:24	1686ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 22:57:36	10007ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 18:51:41	1223ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 14:44:30	25025ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 23:25:56	1339ms	2 NS 1 A 1 MX	🔒 Secure