uldalls.dk DNS records

🖥️ Nameservers4 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-05.azure-dns.com	13.107.236.5 2603:1061:0:700::5	ns1-05.azure-dns.com ns1-05.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-05.azure-dns.net	150.171.21.5 2620:1ec:8ec:700::5	ns2-05.azure-dns.net ns2-05.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-05.azure-dns.org	204.14.183.5 2a01:111:4000:700::5	ns3-05.azure-dns.org ns3-05.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-05.azure-dns.info	208.84.5.5 2620:1ec:bda:700::5	ns4-05.azure-dns.info ns4-05.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.197.58.21	3600s	—	AS3292	TDC Holding A/S	80.196.0.0/14	🇩🇰 Denmark	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	uldalls-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca48::12 52.101.103.137 52.101.68.3 52.101.68.36 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 193ms

TXT Record
MS=ms52155318
v=spf1 include:spf.birn.dk -all

✉️ SPF

Policy	Record (uldalls.dk)
-all (hard fail)	v=spf1 include:spf.birn.dk -all

📨 DMARC

Policy	Record (_dmarc.uldalls.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:61137eef1cf91@dmarc.centerasecurity.com; aspf=s; adkim=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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-05.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

47ms

MX

52ms

AAAA

48ms

TXT

193ms

CAA

68ms

HTTPS

61ms

TLSA

381ms

SOA

0ms

MTA-STS

77ms

DNSSEC

101ms

SRV

87ms

Total

1070ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 10:19:03	1070ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:53:01	2174ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:13:17	1131ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 06:29:47	1332ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 00:49:17	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 07:55:19	682ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:57:57	1450ms	4 NS 1 A 1 MX	🔒 Secure	View