ferrotech.dk

📜 Historical scan 2026-09-17 08:36:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ferrotech.dk is a .dk domain served by 2 nameservers (arturo.ns.cloudflare.com, deb.ns.cloudflare.com). It was registered on 15 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.252 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
arturo.ns.cloudflare.com	108.162.195.216 162.159.44.216 172.64.35.216 2606:4700:58::a29f:2cd8 2803:f800:50::6ca2:c3d8 2a06:98c1:50::ac40:23d8	arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
deb.ns.cloudflare.com	108.162.192.92 172.64.32.92 173.245.58.92 2606:4700:50::adf5:3a5c 2803:f800:50::6ca2:c05c 2a06:98c1:50::ac40:205c	deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.252	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.184.141	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
10	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4bfc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:b88d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.252,172.67.184.141 ech=AEX+DQBBXwAgACBcbir9Pm/E5c/FamG+w3ft5hWJnDp6KsVn9mkK/jvYdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4bfc,2606:4700:3034::ac43:b88d

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 a include:spf.curanet.dk include:spf.simply.com -all

✉️ SPF#

Policy	Record (ferrotech.dk)
-all (hard fail)	v=spf1 a include:spf.curanet.dk include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.ferrotech.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-14 02:24:37

www	104.21.75.252 172.67.184.141 2606:4700:3031::6815:4bfc 2606:4700:3034::ac43:b88d (AS13335) (address records, no CNAME)
www vs bare domain	Same network ferrotech.dk: 104.21.75.252 172.67.184.141 2606:4700:3031::6815:4bfc 2606:4700:3034::ac43:b88d (AS13335) www.ferrotech.dk: 104.21.75.252 172.67.184.141 2606:4700:3031::6815:4bfc 2606:4700:3034::ac43:b88d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ferrotech.dk	31td6u33zFP15xH98ViFYFqY4OzWeGQuOkq4RT3t5eE
TXT	_acme-challenge.ferrotech.dk	OVIaWqfipTuvQkP0QcYo0Hj5It3UlGc3st_UN_-KDso

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

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	2415038378
Primary NS (MNAME)	arturo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 15:12:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-01-15
Expires	2027-01-14 (85d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

48ms

42ms

41ms

AAAA

45ms

TXT

175ms

CAA

55ms

HTTPS

46ms

TLSA

66ms

SOA

0ms

MTA-STS

57ms

DNSSEC

129ms

SRV

62ms

Total

812ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:59:17	823ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-23 21:17:20	3155ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-22 16:40:53	677ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-17 08:36:13 shown	812ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 17:43:50	608ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-26 03:47:25	568ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-19 22:18:38	867ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-17 10:07:29	1982ms	3 NS 1 A 2 MX	🔒 Secure