udfordringen.dk

📜 Historical scan 2026-09-16 13:54:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

udfordringen.dk is a .dk domain served by 3 nameservers (ns1.ichtushosting.com, ns2.ichtushosting.com, ns3.ichtushosting.com). It was registered on 25 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.99.188.202 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by spamfilter.ichtushosting.com. The zone is not DNSSEC-signed, 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#

3 records 299ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ichtushosting.com	2a01:4f8:c010:349a::1 78.47.76.72	srv021.web.ichtushosting.com srv021.web.ichtushosting.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.ichtushosting.com	2a00:d880:5:55b::54a9 81.4.126.57	srv011.dns.ichtushosting.com srv011.dns.ichtushosting.com	AS198203 RouteLabel V.O.F. AS198203 RouteLabel V.O.F.
ns3.ichtushosting.com	102.165.60.36	srv012.web.ichtushosting.com	AS61317 Hivelocity LLC

🌍 A Records#

1 records 521ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
88.99.188.202	3600s	srv022.web.ichtushosting.com	AS24940	Hetzner Online GmbH	88.99.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 494ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	spamfilter.ichtushosting.com	159.69.182.195	srv015.mail.ichtushosting.com	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	88.99.188.202
🔶 Autoconfig	autoconfig.ichtushosting.com → 5.189.174.141

🔷 AAAA Records (IPv6)#

1 records 543ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:c0c:4387::1	3600s	srv022.web.ichtushosting.com	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 1067ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	autoconfig.ichtushosting.com

📝 TXT Records#

2 records 1227ms

TXT Record
MS=ms81215001
v=spf1 include:_spf.ichtushosting.com include:servers.mcsv.net ~all

✉️ SPF#

Policy	Record (udfordringen.dk)
~all (soft fail)	v=spf1 include:_spf.ichtushosting.com include:servers.mcsv.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#

1 records 692ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-20 07:28:31

www	88.99.188.202 2a01:4f8:c0c:4387::1 (AS24940) (address records, no CNAME)
www vs bare domain	Same network udfordringen.dk: 88.99.188.202 2a01:4f8:c0c:4387::1 (AS24940) www.udfordringen.dk: 88.99.188.202 2a01:4f8:c0c:4387::1 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
k1	dkim.mcsv.net	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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

594ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091502
Primary NS (MNAME)	ns1.ichtushosting.com
Responsible (RNAME)	hostmaster@udfordringen.dk
Refresh	7200s
Retry	540s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-05 07:32:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-06-25
Expires	2027-06-30 (248d)

📋 WHOIS#

⏱️ Lookup Timing#

299ms

521ms

494ms

AAAA

543ms

TXT

1227ms

CAA

692ms

HTTPS

545ms

TLSA

589ms

SOA

0ms

MTA-STS

104ms

DNSSEC

594ms

SRV

1067ms

Total

7589ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 07:28:31	7047ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-16 02:50:55	4802ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-12 22:44:43	7644ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-10 18:05:19	3177ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-05 06:57:58	4602ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 06:51:49	6844ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 06:45:07	7020ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-27 05:46:03	7367ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 15:16:01	3186ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 15:00:45	6185ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-16 13:54:39 shown	7589ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-09 12:40:43	3463ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-04 01:09:12	5658ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 19:11:48	11653ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-21 04:19:58	7486ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-16 20:40:43	7061ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-11 17:54:13	11091ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-07 01:24:44	15567ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-02 17:04:43	15654ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-27 15:28:11	13259ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-22 07:41:59	4107ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-17 19:40:17	11430ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-14 00:39:59	8938ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-08 18:11:43	11242ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-03 12:06:29	2970ms	3 NS 1 A 1 MX	🔓 Insecure