dbfu.dk DNS records

🖥️ Nameservers4 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records1 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.7.37	3600s	nhllin17.nhl-data.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dbfu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::d 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.10 52.101.68.3 52.101.68.39	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 138ms

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

📝 TXT Records3 records 300ms

TXT Record
google-site-verification=rLVpF09D0klnjeafxLnhZ89ZmLs8PcmYXum1s_uAdM0
MS=ms68004977
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.dbfu.dk)
p=reject	v=DMARC1; p=reject;

📬 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)

🔐 DNSSEC195ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

85ms

A

91ms

MX

86ms

AAAA

90ms

TXT

300ms

CAA

104ms

HTTPS

88ms

TLSA

698ms

SOA

0ms

MTA-STS

126ms

DNSSEC

195ms

SRV

138ms

Total

1657ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 15:25:59	1657ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 19:44:59	1589ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 17:39:30	1300ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 07:06:27	1883ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 18:34:48	1167ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:16:09	743ms	4 NS 1 A 1 MX	🔒 Secure	View