su.dk is a .dk domain served by 3 nameservers (mimer.deic.dk, ns-soa.darenet.dk, orion.i2.dk). It was registered on 6 April 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.95.185 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.umit.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 167.235.95.185 | 300s | static.185.95.235.167.clients.your-server.de | AS24940 | Hetzner Online GmbH | 167.235.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.umit.dk | 193.162.253.130 | mail.umit.dk | AS209291 Uddannelses- og Forskningsstyrelsens It |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:2220:1b48::2 | 300s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| HARICA-lL7ThAobj5nxFzkZkJa |
| MS=60A8601381238F19EA0B26C2CAF5F7FB88494946 |
| MS=ms44267551 |
| MS=ms59030323 |
| v=spf1 mx include:spf.protection.outlook.com ip4:193.162.252.111 ip4:193.162.253.130 -all |
| Policy | Record (su.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.protection.outlook.com ip4:193.162.252.111 ip4:193.162.253.130 -all |
| Policy | Record (_dmarc.su.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www | 167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network su.dk: 167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940) www.su.dk: 167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.umit.dk | DANE-EE · SPKI · SHA-256 | A5C6BF5ADCF345CE5B90684AF0873063… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1792525666 |
| Primary NS (MNAME) | mimer.deic.dk |
| Responsible (RNAME) | dns@support.i2.dk |
| Refresh | 16384s |
| Retry | 2048s |
| Expire | 2097152s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-04-06 |
| Expires | 2027-06-30 (252d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 21:59:30 shown | 595ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 15:54:23 | 732ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 15:19:55 | 765ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 15:06:56 | 614ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 14:35:53 | 605ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 13:32:45 | 1261ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 13:19:54 | 947ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 12:14:05 | 883ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 11:08:03 | 2851ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 09:52:03 | 4709ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 07:44:03 | 1757ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 21:01:23 | 5669ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 20:55:57 | 655ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 22:54:46 | 2303ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 16:13:32 | 773ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 16:11:52 | 4033ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 16:06:24 | 592ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 16:19:36 | 544ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 16:16:02 | 558ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:09:10 | 1408ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 15:55:07 | 7312ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 15:44:44 | 5152ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 15:27:25 | 3993ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 15:13:34 | 1926ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 15:03:30 | 7334ms | 3 NS 1 A 1 MX | 🔒 Secure |