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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.201.253.48 | 3599s | static.48.253.201.195.clients.your-server.de | AS24940 | Hetzner Online GmbH | 195.201.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3599s | mail.skrig.dk | 54.194.41.88 | mail.skrig.dk | AS16509 Amazon.com, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:1c0c:81ac:: | 3599s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| v=spf1 a mx ip4:54.194.41.88 ~all |
| Policy | Record (prof-it.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:54.194.41.88 ~all |
| Policy | Record (_dmarc.prof-it.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@arendrup.dk; ruf=mailto:postmaster@arendrup.dk; fo=1 |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 2048 bit |
| — | 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.
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.skrig.dk | DANE-EE · SPKI · SHA-256 | 103EADDDA7B8BF1839F33F24E9399A90… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082001 |
| Primary NS (MNAME) | ns101.cloudns.net |
| Responsible (RNAME) | hostmaster@arendrup.dk |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-11-19 |
| Expires | 2026-12-31 (74d) |
| 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 | 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 shown | 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 |