| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.sdu.dk | 130.225.155.136 | ns1.sdu.dk | AS1835 IDDQD-AS |
| ns2.sdu.dk | 130.225.155.148 | ns2.sdu.dk | AS1835 IDDQD-AS |
| ns3.sdu.dk | 193.163.227.4 | ns3.sdu.dk | AS44328 Region Syddanmark |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.225.156.21 | 28800s | laivision.dk | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 28800s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (ascd.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.ascd.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk; ri=3600 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1669 |
| Primary NS (MNAME) | ns1.sdu.dk |
| Responsible (RNAME) | dns@sdu.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-29 11:58:58 | 16376ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 21:09:50 | 16647ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 18:03:35 | 1624ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 01:12:28 | 6759ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 06:43:02 | 7051ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 22:27:09 | 18431ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-05 13:13:43 | 6875ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 22:28:01 | 3528ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 21:30:53 | 4436ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 12:04:20 | 16467ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 07:07:03 | 4515ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 20:24:41 | 4407ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 17:54:07 | 16687ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-07 03:06:04 | 2726ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 11:47:11 | 4498ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 01:58:30 | 4429ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 06:28:59 | 6524ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 07:21:04 | 6992ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 06:42:50 | 3882ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 13:43:29 | 4364ms | 3 NS 1 A 0 MX | 🔒 Secure | View |