lfdb.dk DNS records

🖥️ Nameservers3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
mailexchange.jcdhotel.dk	195.97.138.36	mailexchange.jcdhotel.dk	AS3292 TDC Holding A/S
ns.jcdhotel.dk	195.215.86.133	—	AS3292 TDC Holding A/S
ns3.jcdhotel.dk	13.81.43.137	ns3.jcdhotel.dk	AS8075 Microsoft Corporation

🌍 A Records1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.215.86.151	—	—	AS3292	TDC Holding A/S	195.215.0.0/16	🇩🇰 Denmark	Brøndby Strand

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	lfdb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.16 52.101.68.21 52.101.68.36	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 52.97.105.200

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 145ms

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

📝 TXT Records2 records 255ms

TXT Record
MS=ms83869005
v=spf1 ip4:195.97.138.36 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (lfdb.dk)
-all (hard fail)	v=spf1 ip4:195.97.138.36 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)

🔐 DNSSEC85ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA55ms

Field	Value
Serial	4032016
Primary NS (MNAME)	ns.jcdhotel.dk
Responsible (RNAME)	administrator@jcdhotel.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

70ms

MX

60ms

AAAA

73ms

TXT

255ms

CAA

102ms

HTTPS

56ms

TLSA

529ms

SOA

55ms

MTA-STS

91ms

DNSSEC

85ms

SRV

145ms

Total

4236ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:09:40	2810ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 02:19:39	8549ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 23:53:05	4236ms	3 NS 1 A 1 MX	🔓 Insecure	View