ndittmer.dk

📜 Historical scan 2026-06-23 04:18:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ndittmer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail2.ruja.dk. The zone is DNSSEC-signed and validates, 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#

2 records 75ms

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#

🌍

No A records found

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail2.ruja.dk	2a01:4f9:c010:1473::1 95.216.156.129	mail2.ruja.dk mail2.ruja.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail2.ruja.dk → 95.216.156.129
🔶 Autoconfig	mail2.ruja.dk → 95.216.156.129

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 225ms

TXT Record
v=spf1 ip4:95.216.156.129 ip6:2a01:4f9:c010:1473::1/128 mx -all

✉️ SPF#

Policy	Record (ndittmer.dk)
-all (hard fail)	v=spf1 ip4:95.216.156.129 ip6:2a01:4f9:c010:1473::1/128 mx -all

📨 DMARC#

Policy	Record (_dmarc.ndittmer.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 2026-10-13 15:18:35

www CNAME	mail2.ruja.dk (all on ruja.dk) → 95.216.156.129 2a01:4f9:c010:1473::1 (AS24940)
www vs bare domain	Only www resolves ndittmer.dk: no address www.ndittmer.dk: 95.216.156.129 2a01:4f9:c010:1473::1 (AS24940) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit test mode

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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.ndittmer.dk	mail2.ruja.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

38ms

Field	Value
Serial	2026040401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-04 13:12:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-10-04
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

75ms

35ms

41ms

AAAA

76ms

TXT

225ms

CAA

80ms

HTTPS

36ms

TLSA

137ms

SOA

38ms

MTA-STS

226ms

DNSSEC

95ms

SRV

246ms

Total

787ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 12:12:59	633ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-02 12:07:49	577ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-28 11:50:17	1231ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-28 04:44:31	962ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 05:46:15	1283ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 17:31:20	824ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-23 04:18:45 shown	787ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 14:07:09	1902ms	2 NS 0 A 1 MX	🔒 Secure