dohrmann.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.156.112 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.dohrmann.dk, mail6.dohrmann.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 89.150.156.112 | 600s | mail.dohrmann.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 600s | mail.dohrmann.dk | 89.150.156.112 | mail.dohrmann.dk | AS203953 Hiper A/S |
| 10 | 600s | mail6.dohrmann.dk | 2a05:f6c7:d1f::242 89.150.156.112 |
— mail.dohrmann.dk |
AS203953 Hiper A/S AS203953 Hiper A/S |
| TXT Record |
|---|
| _76phk0j1zp4hvwxj7m8fih9rcit6d9q |
| v=spf1 ip4:89.150.156.112 mx a ~all |
| Policy | Record (dohrmann.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:89.150.156.112 mx a ~all |
| Policy | Record (_dmarc.dohrmann.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;pct=100;ruf=mailto:jan@dohrmann.dk |
| www | 89.150.156.112 (AS203953) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-05-23 |
| Expires | 2027-06-30 (252d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 02:48:05 | 1206ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 16:48:37 | 3145ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 11:16:28 | 2741ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 11:04:09 | 2580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 09:24:04 | 12625ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 04:38:50 | 10340ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 17:06:34 shown | 1303ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 23:49:22 | 1617ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 14:13:41 | 2316ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 05:29:06 | 1185ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 11:59:01 | 1589ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 04:05:08 | 1130ms | 2 NS 1 A 2 MX | 🔒 Secure |