kbrental.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records

🌍

No A records found

📧 MX Records2 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	37.128.220.109
🔶 Autoconfig	37.128.220.109

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 111ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.kurtbeier.dk

📝 TXT Records1 records 240ms

TXT Record
v=spf1 a ip4:94.137.136.98/32 a:smtp.hovmark.dk a:smtp2.hovmark.dk a:relay.hovmark.dk include:spf-esec.heimdalsecurity.com -all

✉️ SPF

Policy	Record (kbrental.dk)
-all (hard fail)	v=spf1 a ip4:94.137.136.98/32 a:smtp.hovmark.dk a:smtp2.hovmark.dk a:relay.hovmark.dk include:spf-esec.heimdalsecurity.com -all

📨 DMARC

Policy	Record (_dmarc.kbrental.dk)
p=none (monitor only)	v=DMARC1; p=none; ruf=mailto:bka@kurtbeier.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 / DANE2 records 128ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC111ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026080901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

84ms

MX

70ms

AAAA

47ms

TXT

240ms

CAA

53ms

HTTPS

48ms

TLSA

128ms

SOA

0ms

MTA-STS

108ms

DNSSEC

111ms

SRV

111ms

Total

909ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:40:30	909ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-25 03:44:34	819ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-11 04:15:00	971ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-09 03:05:50	16914ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-15 01:39:30	8907ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 18:15:26	668ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 15:44:05	1043ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 13:50:16	892ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-17 22:44:18	624ms	2 NS 0 A 2 MX	🔒 Secure	View