byttebolig.dk DNS records

🖥️ Nameservers3 records 80ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.98.204.3	86400s	static.3.204.98.91.clients.your-server.de	AS24940	Hetzner Online GmbH	91.98.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byttebolig-dk.mail.protection.outlook.com	2a01:111:f403:ca27:: 2a01:111:f403:ca2d:: 2a01:111:f403:ca2d::1 2a01:111:f403:ca2d::2 52.101.168.0 52.101.170.0 52.101.170.1 52.101.170.2	mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.inbound.protection.outlook.com mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.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 → 40.104.116.24
🔶 Autoconfig	91.98.204.3

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 344ms

TXT Record
google-site-verification=cCiZ6prvzmozcIqxPoxzdcLT-3mdTGLbK56OIQ00qwk
MS=ms51917364
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.byttebolig.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:service@tauschwohnung.com

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080200
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

80ms

A

73ms

MX

45ms

AAAA

45ms

TXT

344ms

CAA

57ms

HTTPS

75ms

TLSA

893ms

SOA

0ms

MTA-STS

56ms

DNSSEC

84ms

SRV

95ms

Total

2269ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-03 10:57:43	2269ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 02:33:58	10786ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 07:21:40	1192ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 02:06:54	1538ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 01:54:51	999ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 16:13:48	1244ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 18:45:33	2689ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 18:30:57	2811ms	3 NS 1 A 1 MX	🔓 Insecure	View