prof-it.dk

📜 Historical scan 2026-06-20 13:31:51  ·  ← 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   55ms

🌍 A Records#

1 records   63ms

📧 MX Records#

1 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.skrig.dk 54.194.41.88 mail.skrig.dk AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

1 records   62ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   246ms
TXT Record
v=spf1 a mx ip4:54.194.41.88 ~all

✉️ SPF#

PolicyRecord (prof-it.dk)
~all (soft fail) v=spf1 a mx ip4:54.194.41.88 ~all

📨 DMARC#

PolicyRecord (_dmarc.prof-it.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:postmaster@arendrup.dk; ruf=mailto:postmaster@arendrup.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 2026-10-09 10:12:54
www195.201.253.48 2a01:4f8:1c0c:81ac:: (AS24940) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
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   99ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.skrig.dk DANE-EE · SPKI · SHA-256 103EADDDA7B8BF1839F33F24E9399A90…

🔐 DNSSEC#

83ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

67ms
FieldValue
Serial2026060101
Primary NS (MNAME)ns101.cloudns.net
Responsible (RNAME)hostmaster@arendrup.dk
Refresh7200s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-06 12:01:21
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-11-19
Expires2026-12-31 (75d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
63ms
MX
54ms
AAAA
62ms
TXT
246ms
CAA
64ms
HTTPS
70ms
TLSA
99ms
SOA
67ms
MTA-STS
54ms
DNSSEC
83ms
SRV
148ms
Total
573ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 573ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 13:34:37 886ms 4 NS 1 A 1 MX 🔒 Secure
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