udfordring.dk

Records from scan: 2026-10-12 03:37:05 · 1998ms total · last checked 2026-10-19 15:37 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

udfordring.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.28.10.215 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 290ms

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 250ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2.28.10.215	1800s	static.215.10.28.2.clients.your-server.de	AS24940	Hetzner Online GmbH	2.28.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 182ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	2.28.10.215
🔶 Autoconfig	2.28.10.215

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-12 03:37:05

www	2.28.10.215 (AS24940) (address records, no CNAME)
www vs bare domain	Same network udfordring.dk: 2.28.10.215 (AS24940) www.udfordring.dk: 2.28.10.215 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

494ms

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

🏷️ SOA#

288ms

Field	Value
Serial	2026101101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

290ms

250ms

182ms

AAAA

169ms

TXT

629ms

CAA

247ms

HTTPS

167ms

TLSA

524ms

SOA

288ms

MTA-STS

440ms

DNSSEC

494ms

SRV

449ms

Total

1998ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 03:37:05 shown	1998ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 09:36:37	458ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 18:17:30	562ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 05:20:46	614ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 05:01:08	745ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:19:47	944ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 01:49:01	756ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 00:19:00	5034ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 13:28:39	8390ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 04:00:31	1317ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 14:58:42	587ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:44:36	479ms	2 NS 1 A 0 MX	🔒 Secure