demus.dk

📜 Historical scan 2026-07-01 07:50:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

demus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.133.4 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.demus.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

2 records 407ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 407ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.133.4	600s	external.demus.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 435ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.demus.dk	89.150.133.4	external.demus.dk	AS203953 Hiper A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 431ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	mail.demus.dk

📝 TXT Records#

1 records 486ms

TXT Record
v=spf1 a mx -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.demus.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@demus.dk; ruf=mailto:dmarc@demus.dk;rf=afrf;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 422ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 09:01:25

www CNAME	external.demus.dk (all on demus.dk) → 89.150.133.4 (AS203953)
www vs bare domain	Same network demus.dk: 89.150.133.4 (AS203953) www.demus.dk: 89.150.133.4 (AS203953)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

490ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

418ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 09:18:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-11-24
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

407ms

435ms

AAAA

407ms

TXT

486ms

CAA

422ms

HTTPS

424ms

TLSA

366ms

SOA

418ms

MTA-STS

421ms

DNSSEC

490ms

SRV

431ms

Total

1152ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 09:01:25	1405ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:35:28	504ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 23:12:02	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 02:58:33	663ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 06:00:53	2764ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 02:53:07	9667ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 14:22:10	771ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 07:50:18 shown	1152ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:11:05	1019ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 01:45:09	590ms	2 NS 1 A 1 MX	🔒 Secure