| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.supportcenter.dk | 87.54.32.150 | — | AS3292 TDC Holding A/S |
| ns4.supportcenter.dk | 2.106.7.200 | ns4.supportcenter.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.54.32.178 | 3600s | — | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 ip4:87.54.32.251 -all |
| v=spf1 -all |
| Policy | Record (forebygekstremisme.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.54.32.251 -all |
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.forebygekstremisme.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 703 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 14:27:59 | 820ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-30 21:03:43 | 371ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 22:24:30 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 10:09:13 | 682ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 20:29:19 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 13:29:59 | 575ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-06 11:32:56 | 10627ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-30 23:27:43 | 53120ms | 2 NS 0 A 0 MX | ⚠️ Bogus | View |
| 2026-07-24 18:19:17 | 739ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 12:42:48 | 612ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 05:36:07 | 646ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 03:12:33 | 565ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 17:15:27 | 684ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 16:06:09 | 433ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 03:36:27 | 509ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 23:44:10 | 1316ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 17:09:25 | 1908ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 10:03:21 | 5087ms | 2 NS 1 A 0 MX | 🔒 Secure | View |