karsten-simonsen.dk is a .dk domain served by 5 nameservers (dns1.dk, dns2.dk, dns3.dk and 2 more). It was registered on 27 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.34.148.3 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.karsten-simonsen.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 188.34.148.3 | 3600s | phoenix.bornhosting.dk | AS24940 | Hetzner Online GmbH | 188.34.128.0/17 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.karsten-simonsen.dk | 188.34.148.3 | phoenix.bornhosting.dk | AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 188.34.148.3 |
| 🔶 Autoconfig | discover.isplogin.dk → 188.34.148.30 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 1 | 443 | discover.isplogin.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 188.34.148.3 2a01:4f8:fff0:93::3 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network karsten-simonsen.dk: 188.34.148.3 2a01:4f8:fff0:93::3 (AS24940) www.karsten-simonsen.dk: 188.34.148.3 2a01:4f8:fff0:93::3 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~4096 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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026073102 |
| Primary NS (MNAME) | dns1.dk |
| Responsible (RNAME) | support@borndata.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2011-12-27 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:45:31 | 4707ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 03:45:24 | 794ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 13:21:02 | 733ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 11:41:21 | 2342ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 11:03:28 | 1067ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 10:36:55 | 1153ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 04:55:58 | 1670ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 01:53:47 | 3419ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 23:34:48 | 2303ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 01:33:42 | 2365ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:15:40 | 12277ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 22:24:52 | 4351ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 19:04:35 | 3236ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 08:48:34 | 1776ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 07:46:13 | 2898ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 09:19:10 | 1569ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 02:23:13 shown | 1117ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 05:32:15 | 1483ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 22:04:04 | 1375ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 06:06:08 | 10026ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 09:22:15 | 1158ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 01:27:25 | 3397ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 06:00:08 | 1178ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 07:10:13 | 1928ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 13:04:03 | 1245ms | 5 NS 1 A 1 MX | 🔒 Secure |