citybiludlejning.dk DNS records

🖥️ Nameservers2 records 36ms

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 Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.10	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	citybiludlejning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.73.153 52.101.73.16 52.101.73.24 52.101.73.4	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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)1 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:54:6086:4662:d34c	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 171ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

36ms

A

42ms

MX

37ms

AAAA

44ms

TXT

171ms

CAA

36ms

HTTPS

49ms

TLSA

300ms

SOA

0ms

MTA-STS

59ms

DNSSEC

74ms

SRV

56ms

Total

837ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 18:06:30	837ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 14:36:16	1021ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:02:39	1058ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 07:48:51	2177ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 04:56:18	1183ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 14:02:10	1728ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 20:14:03	2345ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 06:03:09	1525ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 00:24:32	4479ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 15:52:42	2310ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 02:23:44	651ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:55:03	701ms	2 NS 1 A 1 MX	🔒 Secure	View