qualcert.dk is a .dk domain served by 2 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk). It was registered on 26 August 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.177.115 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by qualcert-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.web-solutions.dk | 81.7.150.66 | ns.web-solutions.dk | AS47292 Sentia Denmark A/S |
| ns2.web-solutions.dk | 185.12.179.209 | ns2.web-solutions.dk | AS200185 Aruba S.p.A. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.7.177.115 | 30s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Nordhavn |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.96.182.168 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| Managed by Web Solutions. Global domain registration in over 250 countries. |
| MS=ms41830832 |
| v=spf1 mx a include:spf.protection.outlook.com -all |
| Policy | Record (qualcert.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:spf.protection.outlook.com -all |
| www CNAME | qualcert.dk (all on qualcert.dk) → 194.99.46.244 (AS34766) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2008067637 |
| Primary NS (MNAME) | ns.web-solutions.dk |
| Responsible (RNAME) | hostmaster@web-solutions.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2003-08-26 |
| Expires | 2027-08-31 (318d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:52:53 | 2299ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 14:41:56 | 845ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 13:04:24 | 796ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 13:00:06 | 886ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 06:47:09 | 1197ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 06:10:41 | 957ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 17:13:08 | 1229ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 15:30:24 | 2061ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 14:27:32 | 1623ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 12:35:43 | 986ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 11:01:27 | 2058ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 07:07:35 | 12074ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 02:11:38 | 9081ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 13:03:15 | 2791ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 20:09:04 | 1413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 20:17:48 | 3055ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 19:41:05 | 10905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 12:28:41 | 1984ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 19:44:43 | 1533ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 14:19:22 | 9612ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 00:20:36 | 769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 00:41:11 | 1398ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 21:17:55 | 1596ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 00:11:01 shown | 849ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 16:16:16 | 959ms | 2 NS 1 A 1 MX | 🔒 Secure |