risø.dk is a .dk domain served by 2 nameservers (ns-03.risoe.dk, ns-04.risoe.dk). It was registered on 2 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.123.133 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by risoe-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 136.243.123.133 | 3600s | dedi5059.your-server.de | AS24940 | Hetzner Online GmbH | 136.243.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.dtu.dk → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.win.dtu.dk |
| TXT Record |
|---|
| DigiCert dnsadmin@dtu.dk |
| HARICA-7f44duCgJ2LYFThuwV4 |
| HARICA-eeviHGWyxUG5vVy872T |
| KRHGyjI92pItnj+dV+mQVrkhccCAfbukGg2kjoOv0O5M20Y1hb+weAeBgFaTK9z/in0+t6KyDo+sO8KCSdLThw== |
| MS=ms26991452 |
| v=spf1 include:dtu.dk include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk -all |
| W0e5JWdQLHjRhID9mTJbHiUMHtAa/0Lh5Hcpayp+xDhJMPSk3TK3vN4wK5f4wZFWcvcFrmLIwTkwndmcaTJY+A== |
| Policy | Record (risø.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:dtu.dk include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk -all |
| Policy | Record (_dmarc.risø.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; ; ; |
| www | 136.243.123.133 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 12/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026082702 |
| Primary NS (MNAME) | ns1.risoe.dk |
| Responsible (RNAME) | postmaster@risoe.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-03-02 |
| Expires | 2029-03-31 (889d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| chemsimul.dk | Punktum dk A/S (direct) |
| palsfit.dk | Punktum dk A/S (direct) |
| risoe.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:44:07 | 1564ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 17:35:58 | 3400ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 23:21:13 | 1884ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 13:53:58 shown | 1573ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 13:01:05 | 1708ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 01:21:29 | 2512ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 23:51:49 | 1139ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 19:54:24 | 2674ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-26 00:40:15 | 7826ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-21 12:07:29 | 1040ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 00:07:19 | 820ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 23:28:51 | 3149ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 16:04:45 | 349ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 17:59:30 | 5256ms | 2 NS 1 A 1 MX | 🔒 Secure |