lbf.dk DNS records

🖥️ Nameservers4 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-04.azure-dns.com	13.107.236.4 2603:1061:0:700::4	ns1-04.azure-dns.com ns1-04.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-04.azure-dns.net	150.171.21.4 2620:1ec:8ec:700::4	ns2-04.azure-dns.net ns2-04.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-04.azure-dns.org	204.14.183.4 2a01:111:4000:700::4	ns3-04.azure-dns.org ns3-04.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-04.azure-dns.info	208.84.5.4 2620:1ec:bda:700::4	ns4-04.azure-dns.info ns4-04.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.19.74	3600s	—	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	lbf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::28 2a01:111:f403:ca09::7 2a01:111:f403:ca48::a 52.101.68.0 52.101.68.3 52.101.68.39 52.101.73.16	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 203ms

TXT Record
v=spf1 include:_spf49800.spfprotect.com -all

✉️ SPF

Policy	Record (lbf.dk)
-all (hard fail)	v=spf1 include:_spf49800.spfprotect.com -all

📨 DMARC

Policy	Record (_dmarc.lbf.dk)
p=reject	v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:6368f70b32b4a@dmarc.centerasecurity.com; ruf=mailto:med@bsf.dk;

📬 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)

🔐 DNSSEC85ms

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)	ns1-04.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

40ms

A

40ms

MX

37ms

AAAA

46ms

TXT

203ms

CAA

41ms

HTTPS

50ms

TLSA

601ms

SOA

0ms

MTA-STS

74ms

DNSSEC

85ms

SRV

76ms

Total

1194ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 02:37:22	1194ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:57:08	1149ms	4 NS 1 A 1 MX	🔒 Secure	View