| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.7.201 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.254 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 300s | mail.um.dk | 91.198.204.122 | mail.um.dk | AS58282 Statens IT |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:7c9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:bbfe | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.201,172.67.187.254 ech=AEX+DQBBgQAgACB92BwhmEuJqoQuhfPEk0bOxiFHjsBjkbC7eU2Nq31uJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:7c9,2606:4700:3036::ac43:bbfe |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (dkonunsc.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.dkonunsc.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:dmarcreports@dkonunsc.dk,mailto:tcod1eh2@ag.eu.dmarcadvisor.com; ruf=mailto:dmarcreports@dkonunsc.dk |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.dkonunsc.dk | hlDYFD3vqboQuX7lg4Y503qMMUgDPS1rxBtboiTsQ-M |
| TXT | _acme-challenge.dkonunsc.dk | uoZyBdZn5wWk7lW8E25B_za0XTAf3r8XBsdjfvTF6bI |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413513330 |
| Primary NS (MNAME) | kobe.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2025-02-24 |
| Expires | 2027-02-23 (175d) |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-30 16:48:28 | 2051ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-28 02:54:46 | 656ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-03 23:31:35 | 16760ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-14 15:58:21 | 1258ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-05 07:02:57 | 1215ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-04 07:01:58 | 4244ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-03 00:59:11 | 9873ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-18 21:31:26 | 1170ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-17 03:50:21 | 545ms | 2 NS 2 A 1 MX | 🔒 Secure | View |