prof-it.dk

📜 Historical scan 2026-09-23 12:54:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prof-it.dk is a .dk domain served by 4 nameservers (pns101.cloudns.net, pns102.cloudns.net, pns103.cloudns.net and 1 more). It was registered on 19 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.201.253.48 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.skrig.dk. The zone is DNSSEC-signed and validates, 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#

4 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
pns101.cloudns.net	185.136.96.99 2a06:fb00:1::1:99	pns101.cloudns.net pns101.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns102.cloudns.net	185.136.97.99 2a06:fb00:1::2:99	pns102.cloudns.net pns102.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns103.cloudns.net	185.136.98.99 2a06:fb00:1::3:99	pns103.cloudns.net pns103.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns104.cloudns.net	185.136.99.99 2a06:fb00:1::4:99	pns104.cloudns.net pns104.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.201.253.48	3600s	static.48.253.201.195.clients.your-server.de	AS24940	Hetzner Online GmbH	195.201.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	mail.skrig.dk	195.201.255.19 2a01:4f8:1c0c:817a::2	mail.skrig.dk mail.skrig.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:1c0c:81ac::	3600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Nuremberg

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 211ms

TXT Record
v=spf1 a mx ip4:195.201.255.19 -all

✉️ SPF#

Policy	Record (prof-it.dk)
-all (hard fail)	v=spf1 a mx ip4:195.201.255.19 -all

📨 DMARC#

Policy	Record (_dmarc.prof-it.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@skrig.dk; ruf=mailto:postmaster@skrig.dk; fo=1

📬 MTA-STS#

203ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	1789223725
max_age	604800s
Policy MX	mailserver.skrig.dk, mail.skrig.dk

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@skrig.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 10:12:54

www	195.201.253.48 2a01:4f8:1c0c:81ac:: (AS24940) (address records, no CNAME)
www vs bare domain	Same network prof-it.dk: 195.201.253.48 2a01:4f8:1c0c:81ac::1 (AS24940) www.prof-it.dk: 195.201.253.48 2a01:4f8:1c0c:81ac:: (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
dkim	—	RSA · ~1024 bit below 2048 bit
mail	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 91ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.skrig.dk	DANE-EE · SPKI · SHA-256	103EADDDA7B8BF1839F33F24E9399A90…

🔐 DNSSEC#

127ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092301
Primary NS (MNAME)	ns101.cloudns.net
Responsible (RNAME)	hostmaster@arendrup.dk
Refresh	7200s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 12:01:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-11-19
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

49ms

41ms

AAAA

44ms

TXT

211ms

CAA

57ms

HTTPS

51ms

TLSA

91ms

SOA

0ms

MTA-STS

203ms

DNSSEC

127ms

SRV

59ms

Total

737ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:12:54	1186ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 09:24:19	908ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 04:02:18	744ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:26:46	3203ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:32:35	2439ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 23:40:45	2786ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:54:25 shown	737ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-16 08:52:01	6098ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-09 07:26:55	6036ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-02 02:02:25	3794ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-20 22:03:22	1885ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-06 13:27:06	1085ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-11 17:24:11	6423ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 08:29:48	2678ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 13:31:51	573ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:34:37	886ms	4 NS 1 A 1 MX	🔒 Secure