dupp.dk

📜 Historical scan 2026-06-17 05:24:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dupp.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.9.105.215 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.dupp.dk. The zone is not DNSSEC-signed, publishes a 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#

4 records 509ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	—	—	—
ns1.dotserv.net	—	—	—
ns2.dotserv.com	—	—	—
ns2.dotserv.net	—	—	—

🌍 A Records#

1 records 491ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.9.105.215	—	odin.pageone.dk	AS24940	Hetzner Online GmbH	5.9.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 491ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.dupp.dk	5.9.105.215	odin.pageone.dk	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 3126ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

Policy	Record (dupp.dk)
-all (hard fail)	v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

Policy	Record (_dmarc.dupp.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 02:45:13

www	5.9.105.215 (AS24940) (address records, no CNAME)
www vs bare domain	Same network dupp.dk: 5.9.105.215 (AS24940) www.dupp.dk: 5.9.105.215 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1796ms

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

🏷️ SOA#

553ms

Field	Value
Serial	2021052407
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

509ms

491ms

AAAA

700ms

TXT

3126ms

CAA

529ms

HTTPS

495ms

TLSA

437ms

SOA

553ms

MTA-STS

514ms

DNSSEC

1796ms

SRV

0ms

Total

11346ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 00:41:57	3014ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-02 01:29:51	794ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:24:51 shown	11346ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:04:29	1483ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:01:36	478ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:01:13	4610ms	4 NS 1 A 1 MX	🔓 Insecure