mum.dk

Records from scan: 2026-10-07 20:07:58  ·  503ms total  ·  last checked 2026-10-17 13:03 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mum.dk is a .dk domain served by 2 nameservers (oswald.ns.cloudflare.com, rafe.ns.cloudflare.com). It was registered on 17 August 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.75 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   40ms
NameserverIP addressesPTRASN / 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 Records#

2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

3 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscovermum.dk → 104.21.80.75
🔶 Autoconfigmum.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

2 records   47ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   40ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.80.75,172.67.175.227 ech=AEX+DQBBOgAgACAfUJprvYWuUEe0huICdQJl6KEVYUD7jXbPu8u6FLo5IgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:afe3,2606:4700:3035::6815:504b

🔌 SRV Records#

1 records   80ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

1 records   169ms
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

🧩 Web & zone#

checked 2026-10-07 20:07:58
www104.21.80.75 172.67.175.227 2606:4700:3032::ac43:afe3 2606:4700:3035::6815:504b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.mum.dk mum.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

37ms
FieldValue
Serial2415164041
Primary NS (MNAME)oswald.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 16:30:14
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-08-17
Expires2027-08-31 (317d)

🔗 Same registrant#

15 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
adaero.dkPunktum dk A/S (direct)
alt-om-webdesign.dkPunktum dk A/S (direct)
alttilvin.dkPunktum dk A/S (direct)
bredahl-it.dkPunktum dk A/S (direct)
covenstead.dkPunktum dk A/S (direct)
efter.dkPunktum dk A/S (direct)
grimoire.dkPunktum dk A/S (direct)
mad-365.dkPunktum dk A/S (direct)
michael-klinksgaard.dkPunktum dk A/S (direct)
michaelklinksgaard.dkPunktum dk A/S (direct)
minekæledyr.dkPunktum dk A/S (direct)
seberlin.dkPunktum dk A/S (direct)
softguide.dkPunktum dk A/S (direct)
w-seo.dkPunktum dk A/S (direct)
webdesign-og-soegemaskineoptimering.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
35ms
MX
31ms
AAAA
47ms
TXT
169ms
CAA
36ms
HTTPS
40ms
TLSA
62ms
SOA
37ms
MTA-STS
56ms
DNSSEC
66ms
SRV
80ms
Total
503ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 20:07:58 shown 503ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-27 09:23:52 827ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-22 03:31:28 986ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-11 17:50:33 816ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-18 09:22:43 3624ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-13 14:22:29 1054ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-17 15:09:54 2846ms 2 NS 2 A 3 MX ❓ Unknown
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