xso.dk DNS records

🖥️ Nameservers2 records 76ms

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 Records1 records 107ms

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 Records1 records 75ms

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 Records1 records 170ms

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

📝 TXT Records1 records 276ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC211ms

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

🏷️ SOA0ms

Field	Value
Serial	2026042143
Primary NS (MNAME)	ns1.itmaster.net
Responsible (RNAME)	hostmaster@itmaster.net
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	10800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

76ms

A

107ms

MX

75ms

AAAA

104ms

TXT

276ms

CAA

104ms

HTTPS

103ms

TLSA

231ms

SOA

0ms

MTA-STS

148ms

DNSSEC

211ms

SRV

170ms

Total

2812ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 02:32:00	2812ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 00:02:02	1347ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 18:55:50	803ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 00:07:59	2718ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 22:07:05	1759ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 13:45:36	3430ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 06:31:03	17266ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 23:06:24	1686ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 22:57:36	10007ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 18:51:41	1223ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 14:44:30	25025ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 23:25:56	1339ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 04:46:41	1898ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 18:00:46	16836ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 10:33:49	925ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 03:13:13	866ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 00:05:07	1544ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 17:18:06	1102ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 08:15:12	1011ms	2 NS 1 A 1 MX	🔒 Secure	View