uldumby.dk

📜 Historical scan 2026-08-15 16:51:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

uldumby.dk is a .dk domain served by 2 nameservers (ns1.dnshotel.dk, ns2.dnshotel.dk). It was registered on 7 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.83.125 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.uldumby.dk. The zone is not DNSSEC-signed, 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 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnshotel.dk	2a01:4f8:1c17:4999::2 88.99.120.238	ns1.dnshotel.dk ns1.dnshotel.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.dnshotel.dk	2a01:4f8:c0c:4051::2 94.130.170.39	ns2.dnshotel.dk ns2.dnshotel.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.83.125	3600s	re03.azehosting.net	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.uldumby.dk	49.12.83.125	re03.azehosting.net	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 326ms

TXT Record
v=spf1 +a +mx +ip4:49.12.83.125 include:spf.azehosting.net +include:spf.resellerhotel.dk ~all

✉️ SPF#

Policy	Record (uldumby.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:49.12.83.125 include:spf.azehosting.net +include:spf.resellerhotel.dk ~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 2026-10-11 23:19:48

www CNAME	uldumby.dk (all on uldumby.dk) → 49.12.83.125 (AS24940)
www vs bare domain	Same network uldumby.dk: 49.12.83.125 (AS24940) www.uldumby.dk: 49.12.83.125 (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: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.uldumby.dk	mo6U1GUZCl_rp3PiBkdcqoB_RxneI-khrZwZkEA4Wds

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026072201
Primary NS (MNAME)	ns1.dnshotel.dk
Responsible (RNAME)	martin@samsinggrafisk.dk
Refresh	3600s
Retry	1200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 20:51:33

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-01-07
Expires	2027-01-06 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

60ms

43ms

85ms

AAAA

53ms

TXT

326ms

CAA

73ms

HTTPS

71ms

TLSA

96ms

SOA

47ms

MTA-STS

102ms

DNSSEC

88ms

SRV

96ms

Total

4859ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:32:30	700ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 07:14:14	598ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 11:39:46	836ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 16:51:19 shown	4859ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-11 17:04:14	4921ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 03:28:01	993ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:17:34	701ms	2 NS 1 A 1 MX	🔓 Insecure