dum.dk

📜 Historical scan 2026-08-27 03:26:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dum.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 9 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.201.138.86 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.dum.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 74ms

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 Records#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.201.138.86	43200s	mail.dum.dk	AS24940	Hetzner Online GmbH	195.201.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.dum.dk	195.201.138.86	mail.dum.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:c2c:1de6::2	43200s	mail6.dum.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 329ms

TXT Record
google-site-verification=gAjtCFaaAMPmNmycFYIAUhRqU4LOW8pciEyVxlRDe6k
v=spf1 mx -all

✉️ SPF#

Policy	Record (dum.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.dum.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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#

latest probe, not this scan · checked 2026-10-08 00:23:24

www	195.201.138.86 (AS24940) (address records, no CNAME)
www vs bare domain	Same network dum.dk: 195.201.138.86 2a01:4f8:c2c:1de6::2 (AS24940) www.dum.dk: 195.201.138.86 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026050201
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 04:21:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-01-09
Expires	2027-10-31 (379d)

🔗 Same registrant#

2 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).

Domain	Registrar
anicca.dk	Punktum dk A/S (direct)
corell.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

74ms

57ms

67ms

AAAA

68ms

TXT

329ms

CAA

74ms

HTTPS

61ms

TLSA

280ms

SOA

0ms

MTA-STS

128ms

DNSSEC

108ms

SRV

114ms

Total

991ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:24:52	678ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 15:25:23	1853ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 18:58:07	819ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-15 01:11:32	2580ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 03:26:08 shown	991ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 10:13:15	1247ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 05:34:03	734ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 16:15:58	1291ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:27:16	10214ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:21:32	1565ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:04:30	506ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:00:50	605ms	3 NS 1 A 1 MX	🔓 Insecure