u-sinding.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.235.50.241	60s	—	AS60781	LeaseWeb Netherlands B.V.	77.235.50.0/24	🇳🇱 The Netherlands	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	usinding-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca48::8 52.101.209.153 52.101.68.12 52.101.73.15 52.101.73.22	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.56
🔶 Autoconfig	77.235.50.241

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 75ms

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

📝 TXT Records3 records 145ms

TXT Record
MS=ms23946159
MS=ms61569767
v=spf1 ip4:87.56.219.166 ip4:176.21.58.194 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (u-sinding.dk)
-all (hard fail)	v=spf1 ip4:87.56.219.166 ip4:176.21.58.194 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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2025092401
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

47ms

MX

50ms

AAAA

37ms

TXT

145ms

CAA

38ms

HTTPS

54ms

TLSA

365ms

SOA

0ms

MTA-STS

56ms

DNSSEC

86ms

SRV

75ms

Total

971ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:53:01	971ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 01:06:16	749ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 13:51:47	2167ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 09:57:01	945ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:28:32	1441ms	2 NS 1 A 1 MX	🔒 Secure	View