siigurd.dk DNS records

🖥️ Nameservers2 records 82ms

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 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.50	3600s	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	siigurd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::4 2a01:111:f403:ca09::7 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.25 52.101.73.15 52.101.73.2	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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
🔶 Autoconfig	46.30.215.50

🔷 AAAA Records (IPv6)1 records 81ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:8093:d5d6:b87b:5aad	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 906ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records6 records 361ms

TXT Record
google-site-verification=yvgVbzN-niS9WmYwYLMJx-juDjKrwn7ArWKxK-0jpeI
linkedin-site-verification=da5f3c81-7aec-4b8f-b818-b105aa56096d
linkedin-site-verification=efa824d1-f9e9-42ef-baf9-b27f4da118b9
MS=ms51006331
openai-domain-verification=dv-3Avr4W8cUm38XKivjhcrCBDL
v=spf1 include:spf.protection.outlook.com include:emsd1.com -all

✉️ SPF

Policy	Record (siigurd.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:emsd1.com -all

📨 DMARC

Policy	Record (_dmarc.siigurd.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@siigurd.dk; ruf=mailto:dmarc@siigurd.dk; 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)

🔐 DNSSEC187ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081905
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

82ms

A

78ms

MX

68ms

AAAA

81ms

TXT

361ms

CAA

80ms

HTTPS

61ms

TLSA

174ms

SOA

0ms

MTA-STS

162ms

DNSSEC

187ms

SRV

906ms

Total

2602ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 21:26:38	2602ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:59:58	2206ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:41:29	2012ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:37:18	1650ms	2 NS 1 A 1 MX	🔒 Secure	View