| 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 |
|---|---|---|---|---|---|---|---|
| 130.225.156.23 | 28800s | — | 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 (fiibl.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.fiibl.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 138 |
| Primary NS (MNAME) | ns1.sdu.dk |
| Responsible (RNAME) | dns@sdu.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2014-05-02 |
| Expires | 2029-05-31 (1002d) |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 16:15:22 | 16889ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 12:57:06 | 16372ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 01:02:30 | 4599ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 20:38:30 | 19080ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-18 20:29:30 | 10881ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 10:13:56 | 5672ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-07 05:48:23 | 6805ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 10:03:31 | 4466ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 09:44:30 | 24756ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 09:37:11 | 3586ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 16:22:49 | 4905ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 09:51:03 | 3671ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 18:54:33 | 4449ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-10 21:25:10 | 7690ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-06 06:04:19 | 9727ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 22:48:55 | 4642ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 19:37:40 | 6711ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-03 16:14:43 | 4369ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 08:46:04 | 6924ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 03:31:27 | 4515ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 02:16:14 | 5074ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 22:00:00 | 4415ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 18:18:20 | 3630ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 12:06:44 | 6726ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 20:27:33 | 4427ms | 3 NS 1 A 1 MX | 🔒 Secure | View |