byens-bolig.dk DNS records

🖥️ Nameservers2 records 92ms

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 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.104.202.25	3600s	ext202-25.cph1.sit.dk	AS50346	It Forum Gruppen A/s	193.104.202.0/24	🇩🇰 Denmark	Virum

📧 MX Records1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byensbolig-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09::1 2a01:111:f403:ca09::7 52.101.68.5 52.101.68.8 52.101.73.22 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.62.184

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 323ms

TXT Record
MS=ms25540932
v=spf1 include:spf.protection.outlook.com include:spf.hosit.dk include:spf.web.mindworking.dk -all

✉️ SPF

Policy	Record (byens-bolig.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.hosit.dk include:spf.web.mindworking.dk -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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.byens-bolig.dk	e26a4570-8e56-492e-bb9b-88e48e47b67a.auth.acme-dns.io
TXT	e26a4570-8e56-492e-bb9b-88e48e47b67a.auth.acme-dns.io	qZdUdCwH-3FSPViZcClF0cFRRBt6vbHOe4J7W69EI9o

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC206ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-02 12:51:15

Field	Value
Registrar	ONE.COM A/S
Registered	2022-12-12
Expires	2026-12-11 (99d)

📋 WHOIS

⏱️ Lookup Timing

NS

92ms

A

81ms

MX

84ms

AAAA

79ms

TXT

323ms

CAA

87ms

HTTPS

92ms

TLSA

258ms

SOA

0ms

MTA-STS

47ms

DNSSEC

206ms

SRV

16043ms

Total

17241ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 14:40:37	17241ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 12:48:45	771ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 21:43:53	783ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 09:09:10	1679ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:05:17	601ms	2 NS 1 A 1 MX	🔒 Secure	View