ferdinands.dk

📜 Historical scan 2026-09-26 19:12:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ferdinands.dk is a .dk domain served by 2 nameservers (alina.ns.cloudflare.com, mike.ns.cloudflare.com). It was registered on 10 July 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.137 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
alina.ns.cloudflare.com	108.162.192.61 172.64.32.61 173.245.58.61 2606:4700:50::adf5:3a3d 2803:f800:50::6ca2:c03d 2a06:98c1:50::ac40:203d	alina.ns.cloudflare.com alina.ns.cloudflare.com alina.ns.cloudflare.com alina.ns.cloudflare.com alina.ns.cloudflare.com alina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mike.ns.cloudflare.com	108.162.195.63 162.159.44.63 172.64.35.63 2606:4700:58::a29f:2c3f 2803:f800:50::6ca2:c33f 2a06:98c1:50::ac40:233f	mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.137	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.48	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.180.48
🔶 Autoconfig	104.21.43.137

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2b89	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:b430	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.137,172.67.180.48 ech=AEX+DQBBdAAgACBjEPOpr4CoOtieuXOxYlVxZesNpiBFOa5e33U90X77XAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2b89,2606:4700:3036::ac43:b430

📝 TXT Records#

3 records 169ms

TXT Record
google-site-verification=ElaocuhhT23meu_X-DjDI6QVPIt4dzPX9p5-4N2ZESE
v=spf1 a mx include:spf.mtasv.net include:_custspf.one.com ~all
v=spf1 include:servers.mcsv.net ?all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (ferdinands.dk)
~all (soft fail)	v=spf1 a mx include:spf.mtasv.net include:_custspf.one.com ~all
?all (neutral)	v=spf1 include:servers.mcsv.net ?all

📨 DMARC#

Policy	Record (_dmarc.ferdinands.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+x60jlt6ddez@dmarc.postmarkapp.com; aspf=r;

📬 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 2026-10-07 22:59:37

www	104.21.43.137 172.67.180.48 2606:4700:3031::6815:2b89 2606:4700:3036::ac43:b430 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ferdinands.dk: 104.21.43.137 172.67.180.48 2606:4700:3031::6815:2b89 2606:4700:3036::ac43:b430 (AS13335) www.ferdinands.dk: 104.21.43.137 172.67.180.48 2606:4700:3031::6815:2b89 2606:4700:3036::ac43:b430 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 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: 4/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ferdinands.dk	BiVu__DB8LWz4eoyIs1EhgkqK_W_bfyhWS0JYqK0ZP8
TXT	_acme-challenge.ferdinands.dk	qF-Cre5IpJJP_KL_WIdn9IBAGbWaJ2HRlc9OFx47IRY

🔗 TLSA / DANE#

4 records 70ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	42A27444ECBF3C0485409E27E2A6AB15…

🔐 DNSSEC#

114ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415867059
Primary NS (MNAME)	alina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 21:51:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-07-10
Expires	2027-07-31 (281d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

43ms

37ms

AAAA

30ms

TXT

169ms

CAA

36ms

HTTPS

31ms

TLSA

70ms

SOA

0ms

MTA-STS

60ms

DNSSEC

114ms

SRV

65ms

Total

811ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 21:37:07	888ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-30 21:20:52	657ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-27 19:25:22	840ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 19:12:29 shown	811ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-31 20:53:32	855ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 20:09:15	994ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 08:07:23	1018ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-26 03:49:00	848ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-08 18:37:31	1391ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-06 20:57:00	1390ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 15:31:42	987ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 13:35:57	1284ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 09:30:56	845ms	2 NS 2 A 4 MX	🔓 Insecure