dudakoch.dk

📜 Historical scan 2026-06-19 23:29:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dudakoch.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.66.0.70 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 42ms

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#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.66.0.70	3600s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	—	—

📧 MX Records#

5 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 64.233.164.26	lr-in-x1b.1e100.net lr-in-f27.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4013:813::1b	so-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.158.27 2404:6800:4003:c26::1a	lcdels-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 353ms

TXT Record
v=spf1 include:_spf.google.com include:spf.lemlist.com ~all

✉️ SPF#

Policy	Record (dudakoch.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.lemlist.com ~all

📨 DMARC#

Policy	Record (_dmarc.dudakoch.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@dudakoch.dk; ruf=mailto:dmarc@dudakoch.dk; fo=1

📬 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 2026-10-22 07:14:40

www	185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dudakoch.dk: 185.158.133.1 (AS13335) www.dudakoch.dk: 185.158.133.1 (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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

error include:spf.lemlist.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

41ms

Field	Value
Serial	2026061001
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 2026-10-11 04:36:26

Field	Value
Registrar	ONE.COM A/S
Registered	2024-11-26
Expires	2026-11-25 (30d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

39ms

45ms

AAAA

44ms

TXT

353ms

CAA

34ms

HTTPS

36ms

TLSA

51ms

SOA

41ms

MTA-STS

45ms

DNSSEC

62ms

SRV

95ms

Total

718ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 07:14:40	934ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-14 10:17:38	977ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-11 04:00:03	469ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 06:44:14	647ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-18 14:44:06	1424ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-10 03:00:08	2391ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-15 17:09:07	1431ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 03:48:29	739ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-21 05:56:22	757ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-19 23:29:11 shown	718ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 04:55:44	1889ms	2 NS 1 A 5 MX	🔒 Secure