rudolftvede.dk

📜 Historical scan 2026-06-18 19:49:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rudolftvede.dk is a .dk domain served by 2 nameservers (ns1.concrete5danmark.dk, ns2.concrete5danmark.dk). It was registered on 10 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.201.255.81 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by rudolftvede.dk. The zone is DNSSEC-signed but currently fails validation, has no 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#

2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.concrete5danmark.dk	88.99.120.238	ns1.dnshotel.dk	AS24940 Hetzner Online GmbH
ns2.concrete5danmark.dk	94.130.170.39	ns2.dnshotel.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.201.255.81	360s	server.concrete5danmark.dk	AS24940	Hetzner Online GmbH	138.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	rudolftvede.dk	138.201.255.81 2a01:4f8:173:2652::1	server.concrete5danmark.dk server.concrete5danmark.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:173:2652::1	14400s	server.concrete5danmark.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 423ms

TXT Record
v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +ip4:159.100.183.187 +include:relays.webhost-mail.com +include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (rudolftvede.dk)
~all (soft fail)	v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +ip4:159.100.183.187 +include:relays.webhost-mail.com +include:relay.mailchannels.net ~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 2026-10-13 16:08:08

www CNAME	rudolftvede.dk (all on rudolftvede.dk) → 138.201.255.81 2a01:4f8:173:2652::1 (AS24940)
www vs bare domain	Same network rudolftvede.dk: 138.201.255.81 2a01:4f8:173:2652::1 (AS24940) www.rudolftvede.dk: 138.201.255.81 2a01:4f8:173:2652::1 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 7/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rudolftvede.dk	y3Ph0vPRn0qWk2k5yuImLObqrNSaiCv432fNeYchWwM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

135ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026041317
Primary NS (MNAME)	ns1.concrete5danmark.dk
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 08:56:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-04-10
Expires	2027-04-30 (191d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

50ms

61ms

AAAA

76ms

TXT

423ms

CAA

83ms

HTTPS

65ms

TLSA

232ms

SOA

0ms

MTA-STS

94ms

DNSSEC

135ms

SRV

222ms

Total

945ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 16:08:08	768ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 23:49:10	708ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 23:30:19	16976ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 17:23:03	4840ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 06:09:47	9567ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 05:17:26	4781ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-10 14:00:31	10312ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-07 08:49:46	9088ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 02:51:00	13545ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 02:30:11	1156ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-25 02:14:44	817ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-22 23:51:03	25005ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-20 17:48:54	979ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 17:45:04	18760ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 17:44:01	1355ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 05:44:43	935ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 02:22:10	984ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 19:49:07 shown	945ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-18 06:33:57	892ms	2 NS 1 A 1 MX	🔓 Insecure