sipserver.dk is a .dk domain served by 4 nameservers (ns0011.secondary.cloudflare.com, ns0169.secondary.cloudflare.com, ns61.ipnordic.dk and 1 more). It was registered on 19 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (sipserver.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves sipserver.dk: no address www.sipserver.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1783036802 |
| Primary NS (MNAME) | ns81.ipnordic.dk |
| Responsible (RNAME) | sysops@ipnordic.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2014-11-19 |
| Expires | 2026-11-30 (42d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 00:04:10 | 367ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 10:44:23 | 481ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 03:12:31 | 531ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 03:11:15 | 598ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 03:08:07 | 351ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 02:47:42 | 531ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 02:43:07 | 879ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 02:36:16 | 451ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 01:17:27 | 391ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 22:04:54 | 1206ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-14 16:47:29 | 2600ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-07 15:06:06 | 1117ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-03 16:12:57 | 1079ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-30 11:16:13 | 824ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 16:39:34 | 337ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 16:12:24 | 1741ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-24 22:32:44 | 1412ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-24 15:27:25 | 665ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 03:34:33 | 6028ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-20 03:11:39 | 8758ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-17 23:49:36 | 2719ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-15 04:48:30 | 632ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-10 23:50:17 | 2337ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 06:37:53 | 8852ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-05 20:41:37 | 963ms | 4 NS 0 A 0 MX | 🔒 Secure |