dder.dk

📜 Historical scan 2026-06-17 01:23:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dder.dk is a .dk domain served by 2 nameservers (ns3.hostworld.dk, ns4.hostworld.dk). It was registered on 18 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.160.220.14 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by dder.dk. The zone is not DNSSEC-signed, publishes a 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#

2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.hostworld.dk	—	—	—
ns4.hostworld.dk	—	—	—

🌍 A Records#

1 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.160.220.14	—	ip217-160-220-14.pbiaas.com	AS8560	IONOS SE	217.160.0.0/16	🇩🇪 Germany	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	dder.dk	217.160.220.14	ip217-160-220-14.pbiaas.com	AS8560 IONOS SE

🔷 AAAA Records (IPv6)#

1 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:247a:256:2c00::1	—	—	AS8560	IONOS SE	2a02:2478:0:0:0:0:0:0/29	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 152ms

TXT Record
v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 ~all

✉️ SPF#

Policy	Record (dder.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 ~all

📨 DMARC#

Policy	Record (_dmarc.dder.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 2026-10-10 15:10:41

www CNAME	dder.dk (all on dder.dk) → 217.160.220.14 2a02:247a:256:2c00::1 (AS8560)
www vs bare domain	Same network dder.dk: 217.160.220.14 2a02:247a:256:2c00::1 (AS8560) www.dder.dk: 217.160.220.14 2a02:247a:256:2c00::1 (AS8560)
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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2026060401
Primary NS (MNAME)	ns3.hostworld.dk
Responsible (RNAME)	service@lignum.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-05 02:26:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-10-18
Expires	2027-10-31 (379d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

82ms

42ms

AAAA

61ms

TXT

152ms

CAA

81ms

HTTPS

66ms

TLSA

76ms

SOA

66ms

MTA-STS

85ms

DNSSEC

91ms

SRV

0ms

Total

425ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 01:40:50	986ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 01:06:34	774ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 10:23:47	9616ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 18:23:05	1068ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-06 18:51:59	2991ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-29 13:37:36	726ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 01:15:11	2102ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 01:23:17 shown	425ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 01:21:07	601ms	2 NS 1 A 1 MX	🔓 Insecure