| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.cbs.dk | 130.226.47.250 | ns1.cbs.dk | AS1835 IDDQD-AS |
| ns2.cbs.dk | 130.226.47.251 | ns2.cbs.dk | AS1835 IDDQD-AS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.226.47.28 | 86400s | www.cbs.dk | AS1835 | IDDQD-AS | 130.226.0.0/16 | 🇩🇰 Denmark | Frederiksberg |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (mba-tmo.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2017122307 |
| Primary NS (MNAME) | ns1.cbs.dk |
| Responsible (RNAME) | DNS@cbs.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 02:25:54 | 393ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-26 12:34:06 | 401ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-22 14:54:20 | 925ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-18 10:42:33 | 1463ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-15 02:30:06 | 3024ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-09 05:53:53 | 492ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-06 00:43:01 | 649ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-31 16:20:19 | 8465ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-26 14:23:16 | 619ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-21 03:38:13 | 633ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-17 22:33:14 | 444ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-13 05:41:34 | 2379ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-08 18:43:46 | 3452ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-03 15:32:19 | 3097ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-30 03:11:25 | 2573ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-24 03:04:55 | 839ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-18 04:39:43 | 473ms | 2 NS 1 A 0 MX | 🔒 Secure | View |