knuthfuger.dk

📜 Historical scan 2026-06-18 08:46:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knuthfuger.dk is a .dk domain served by 3 nameservers (ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.47.17.5 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.atriumweb.dk. The zone is DNSSEC-signed but currently fails validation, 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#

3 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.second-ns.com	213.239.204.242 2a01:4f8:0:a101::b:1	ns.second-ns.com ns.second-ns.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns1.your-server.de	213.133.100.102 2a01:4f8:0:1::5ddc:1	ns1.your-server.de ns1.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.second-ns.de	193.47.99.4 2001:67c:192c::add:b3	ns3.second-ns.de ns3.second-ns.de	AS12337 noris network AG AS12337 noris network AG

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.47.17.5	—	dedi2783.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.atriumweb.dk	77.235.62.66	mail-2.dk	AS60781 LeaseWeb Netherlands B.V.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	mail.your-server.de → 78.46.5.205

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 290ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	mail.your-server.de

📝 TXT Records#

1 records 539ms

TXT Record
v=spf1 +a +mx ?all

✉️ SPF#

Policy	Record (knuthfuger.dk)
?all (neutral)	v=spf1 +a +mx ?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 2026-10-09 09:53:13

www	78.47.17.5 (AS24940) (address records, no CNAME)
www vs bare domain	Same network knuthfuger.dk: 78.47.17.5 (AS24940) www.knuthfuger.dk: 78.47.17.5 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'knuthfuger.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

45ms

Field	Value
Serial	2026010900
Primary NS (MNAME)	ns1.your-server.de
Responsible (RNAME)	postmaster@your-server.de
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

55ms

46ms

AAAA

56ms

TXT

539ms

CAA

44ms

HTTPS

46ms

TLSA

130ms

SOA

45ms

MTA-STS

38ms

DNSSEC

114ms

SRV

290ms

Total

1262ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:53:13	823ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 14:52:15	1737ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 22:28:55	1253ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-07 00:13:08	1087ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-19 18:03:15	3189ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 08:46:53 shown	1262ms	3 NS 1 A 1 MX	⚠️ Bogus