defcon5.dk

📜 Historical scan 2026-10-09 17:33:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

defcon5.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.11.163 is hosted by Altibox Danmark AS (AS214875) in Denmark. Mail is handled by mail.defcon5.dk. The zone is DNSSEC-signed and validates, has no 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 28ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.228.11.163	600s	188.228.11.163.dynamic.altibox.net	AS214875	Altibox Danmark AS	188.228.0.0/17	🇩🇰 Denmark	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.defcon5.dk	188.228.11.163	188.228.11.163.dynamic.altibox.net	AS214875 Altibox Danmark AS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 135ms

TXT Record
google-site-verification=0DktZZEp-THZCaAr8PY1zDcjmomNnpkhboqTZi8VMss
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (defcon5.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 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#

latest probe, not this scan · checked 2026-10-14 23:15:50

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks defcon5.dk: 188.228.11.163 (AS214875) www.defcon5.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

52ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026100901
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 2026-10-08 11:18:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-03-03
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

33ms

34ms

AAAA

36ms

TXT

135ms

CAA

25ms

HTTPS

33ms

TLSA

116ms

SOA

41ms

MTA-STS

45ms

DNSSEC

52ms

SRV

49ms

Total

451ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 23:15:50	481ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 17:33:33 shown	451ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 11:15:12	2245ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 07:33:32	776ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:30:12	467ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:35:52	806ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 03:55:17	2440ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 15:36:27	5050ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 04:24:27	4649ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:32:36	676ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:39:47	1562ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:31:21	2637ms	2 NS 1 A 1 MX	🔒 Secure