ostbirk-varme.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
carter.ns.cloudflare.com	108.162.193.80 172.64.33.80 173.245.59.80 2606:4700:58::adf5:3b50 2803:f800:50::6ca2:c150 2a06:98c1:50::ac40:2150	carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.10	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.33	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mx.ostbirk-varme.dk.cust.a.hostedemail.com	216.40.42.4	mx.hostedemail.com	AS15348 Tucows.com Co.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.87.10
🔶 Autoconfig	172.67.139.33

🔷 AAAA Records (IPv6)2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:8b21	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:570a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 68ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.10,172.67.139.33 ech=AEX+DQBBBAAgACBTee12c8bqcLVL5ZxbWSFFeqHyVvBX94jVH6IsA5iVFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8b21,2606:4700:3033::6815:570a

📝 TXT Records1 records 235ms

TXT Record
v=spf1 include:_spf.hostedemail.com ~all

✉️ SPF

Policy	Record (ostbirk-varme.dk)
~all (soft fail)	v=spf1 include:_spf.hostedemail.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)

🔐 DNSSEC88ms

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	2412643235
Primary NS (MNAME)	carter.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

41ms

MX

47ms

AAAA

45ms

TXT

235ms

CAA

38ms

HTTPS

68ms

TLSA

424ms

SOA

0ms

MTA-STS

89ms

DNSSEC

88ms

SRV

87ms

Total

1219ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 09:04:22	1219ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 22:09:05	1216ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 22:29:37	7900ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 21:54:49	4081ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-23 06:34:24	2896ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 02:05:36	1183ms	2 NS 1 A 1 MX	🔓 Insecure	View