mum.dk DNS records

🖥️ Nameservers2 records 148ms

Nameserver	IP addresses	PTR	ASN / ISP
oswald.ns.cloudflare.com	108.162.193.218 172.64.33.218 173.245.59.218 2606:4700:58::adf5:3bda 2803:f800:50::6ca2:c1da 2a06:98c1:50::ac40:21da	oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rafe.ns.cloudflare.com	108.162.192.216 172.64.32.216 173.245.58.216 2606:4700:50::adf5:3ad8 2803:f800:50::6ca2:c0d8 2a06:98c1:50::ac40:20d8	rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 255ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.80.75	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.227	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 262ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mum.dk → 46.183.138.100
🔶 Autoconfig	mum.dk → 46.183.138.100

🔷 AAAA Records (IPv6)2 records 167ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:afe3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:504b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 191ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.75,172.67.175.227 ech=AEX+DQBB4wAgACAl44By0Ic7qKeMOHSEnXNK+Q9jcZ/jYucoT8HSeRb2dAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:afe3,2606:4700:3035::6815:504b

🔌 SRV Records1 records 289ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records1 records 436ms

TXT Record
google-site-verification=M6l9fKBLgRkxxn_ZlAa7mhBjZCydujoRuYJJX8a6PFk

✉️ 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.mum.dk	mum.dk

🔗 TLSA / DANE

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

🔐 DNSSEC331ms

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	2409842122
Primary NS (MNAME)	oswald.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

148ms

A

255ms

MX

262ms

AAAA

167ms

TXT

436ms

CAA

226ms

HTTPS

191ms

TLSA

292ms

SOA

0ms

MTA-STS

297ms

DNSSEC

331ms

SRV

289ms

Total

3624ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-18 09:22:43	3624ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-13 14:22:29	1054ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 15:09:54	2846ms	2 NS 2 A 3 MX	❓ Unknown	View