ipcalc.dk is a .dk domain served by 2 nameservers (angela.ns.cloudflare.com, elmo.ns.cloudflare.com). It was registered on 21 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.244.81.205 is hosted by The Constant Company, LLC (AS20473) in Germany. Mail is handled by mx01.dalbjerg.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 136.244.81.205 | 600s | itch-proxy01.itconfig.dk | AS20473 | The Constant Company, LLC | 136.244.64.0/18 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx01.dalbjerg.dk | 185.50.192.224 | mx01.dalbjerg.dk | AS203953 Hiper A/S |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.dalbjerg.dk -all |
| Policy | Record (ipcalc.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.dalbjerg.dk -all |
| www CNAME | ipcalc.dk (all on ipcalc.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406101554 |
| Primary NS (MNAME) | angela.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-01-21 |
| Expires | 2027-01-31 (106d) |
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).
| Domain | Registrar |
|---|---|
| iptools.dk | Punktum dk A/S (direct) |
| kennethdalbjerg.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 19:55:44 | 1306ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-15 19:09:54 | 581ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 21:24:50 | 4428ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:20:56 | 874ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 17:43:34 | 812ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 19:10:27 | 1380ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-18 00:56:49 | 4167ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-04 04:17:06 | 1012ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 11:04:38 | 1733ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 05:54:26 shown | 817ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:34:35 | 1925ms | 2 NS 1 A 1 MX | 🔓 Insecure |