siur.dk DNS records

🖥️ Nameservers2 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 Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.8.132.166	600s	—	AS8075	Microsoft Corporation	20.0.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	siur-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.68.16 52.101.68.3 52.101.68.36 52.101.73.28	mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.98.16.67
🔶 Autoconfig	20.8.132.166

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 222ms

TXT Record
_14ab61xcoz2rholydz59jk3pbfepu1h
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (siur.dk)
-all (hard fail)	v=spf1 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

🔗 TLSA / DANE

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

🔐 DNSSEC122ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082201
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

45ms

MX

52ms

AAAA

45ms

TXT

222ms

CAA

41ms

HTTPS

54ms

TLSA

246ms

SOA

0ms

MTA-STS

56ms

DNSSEC

122ms

SRV

158ms

Total

1207ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 02:11:30	1207ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 20:29:57	1047ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 16:46:03	871ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-22 06:46:38	1158ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 07:56:18	1211ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:40:37	1628ms	2 NS 1 A 1 MX	🔒 Secure	View