dupp.dk

📜 Historical scan 2026-07-02 01:29:51 · ← 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns2.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.9.105.215	900s	odin.pageone.dk	AS24940	Hetzner Online GmbH	5.9.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.dupp.dk	5.9.105.215	odin.pageone.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.dupp.dk → 5.9.105.215
🔶 Autoconfig	5.9.105.215

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 267ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dupp.dk	GYhCU7N4spuh7D5AJi2IqRz_o2iq0iJ8OvI0IB21KiU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

44ms

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#

58ms

74ms

60ms

AAAA

79ms

TXT

267ms

CAA

75ms

HTTPS

82ms

TLSA

71ms

SOA

44ms

MTA-STS

66ms

DNSSEC

92ms

SRV

100ms

Total

794ms

🕐 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 shown	794ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:24:51	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