kontorhotel.dk DNS records

🖥️ Nameservers2 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
jo.ns.cloudflare.com	108.162.192.172 172.64.32.172 173.245.58.172 2606:4700:50::adf5:3aac 2803:f800:50::6ca2:c0ac 2a06:98c1:50::ac40:20ac	jo.ns.cloudflare.com jo.ns.cloudflare.com jo.ns.cloudflare.com jo.ns.cloudflare.com jo.ns.cloudflare.com jo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
miles.ns.cloudflare.com	108.162.193.207 172.64.33.207 173.245.59.207 2606:4700:58::adf5:3bcf 2803:f800:50::6ca2:c1cf 2a06:98c1:50::ac40:21cf	miles.ns.cloudflare.com miles.ns.cloudflare.com miles.ns.cloudflare.com miles.ns.cloudflare.com miles.ns.cloudflare.com miles.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.182	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.212.121	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	104.21.23.182

🔷 AAAA Records (IPv6)2 records 73ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:17b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:d479	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.182,172.67.212.121 ech=AEX+DQBBjQAgACDunHzvbqY6pYg4J+OF6j7wiYM92U9s8J+RIBEC8ZqyQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:17b6,2606:4700:3030::ac43:d479

🔌 SRV Records1 records 112ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 345ms

TXT Record
google-site-verification=km-OtY_4f1_sVZUWDRKoESvuR7a36u8ogdGiHOCF-cM

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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 / DANE2 records 118ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC181ms

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	2412873918
Primary NS (MNAME)	jo.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

74ms

A

68ms

MX

64ms

AAAA

73ms

TXT

345ms

CAA

59ms

HTTPS

71ms

TLSA

118ms

SOA

0ms

MTA-STS

89ms

DNSSEC

181ms

SRV

112ms

Total

1757ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 11:01:55	1757ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 23:09:06	3482ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 00:25:46	843ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 10:30:24	1462ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 00:36:15	2746ms	2 NS 2 A 1 MX	🔓 Insecure	View