| 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 |
|---|---|---|---|---|---|---|---|
| 130.225.156.155 | 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 include:_spf.sdu.dk -all |
| Policy | Record (midlertidigtdøgnophold.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.sdu.dk -all |
| Policy | Record (_dmarc.midlertidigtdøgnophold.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | -1b0RG-7u34Rgwnm23GhJNDXrtrhF1pUQZdkXI1anP4 |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | 4cSnycwPEi7Vmq_SQ1DPuas3sH1lhZmvXTQ-YHocbRw |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | 9Ahh3lD31dOD1nj9WA8HV8BxMNVHfoKnc9MNCaICQqA |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | 9QWhX_fOyNmq-2Ik7K--4NT6g7SroT92fpg1ApDSH90 |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | HcInAy2maPq66pRWjJMaRMdY70quNXGBkfnwO54yrjU |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | HvEzK6lbrxiI5UHGLEe9u_vzxnZXjGzlIayfXBXeboE |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | PMIqY9Irg0Ri8j_xsaGA6Yk5YZhrHLZivkRe5Ka0-Ak |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | TzwFXu9IO0E8ztnOFB4egSS6voELvMSXt6uLpJ7RKU0 |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | _U_U40GikVQK0jkVewuvLgiPZerxH6Ntm00vvbNcQ_Y |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | bwAMwlcpecsX-kBRYJHGcK2xeo6ygFBYm_QwcG1kmUg |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | hq1MnIziqu9HPSZrq7t46KWm3Ic7bVVBDRuyOtXft6Y |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | lQbWSYSt4FBGzJHaLY3pmlxSawAgoCozkNsSmyR53gs |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | oZKteXe8hO6c_CyugwDcOW3Y3Tazj4c20AfGB_J7V_A |
| TXT | _acme-challenge.midlertidigtdøgnophold.dk | pV5FU29HEBHSoagsA1eJh1bFVoTaF9W3rdQ24dRijBc |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 920 |
| 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 | |
|---|---|---|---|---|
| 2026-08-31 00:34:33 | 16366ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-29 11:56:43 | 16456ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 07:02:49 | 4596ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 14:58:02 | 16437ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 14:07:55 | 24521ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-18 08:21:02 | 4690ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 18:23:05 | 5075ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 13:32:56 | 8797ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-03 20:45:46 | 4892ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 11:45:16 | 12908ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 10:44:35 | 2404ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 09:59:31 | 4457ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-21 19:12:49 | 4498ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 12:47:29 | 6676ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 08:51:50 | 4430ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 23:41:43 | 4498ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 18:41:14 | 6761ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-06 12:52:13 | 4582ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 11:56:24 | 4541ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 15:27:51 | 4332ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 14:14:42 | 6966ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 16:02:30 | 915ms | 3 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 18:41:23 | 8503ms | 3 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-22 14:24:47 | 983ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 08:44:07 | 4479ms | 3 NS 1 A 1 MX | 🔒 Secure | View |