teisner-kjaer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.6 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.6 | 3600s | webcluster1.webpod15-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:34:9803:902a:9367 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.6 2a02:2350:5:10e:34:9803:902a:9367 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network teisner-kjaer.dk: 46.30.215.6 2a02:2350:5:10e:34:9803:902a:9367 (AS51468) www.teisner-kjaer.dk: 46.30.215.6 2a02:2350:5:10e:34:9803:902a:9367 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092001 |
| 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 | ONE.COM A/S |
| Registered | 2000-11-07 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:17:36 shown | 729ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 02:21:50 | 761ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 07:09:12 | 805ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-02 20:48:59 | 2784ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 14:35:49 | 823ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 07:48:03 | 919ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 05:01:43 | 1026ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 03:30:35 | 1797ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 01:03:39 | 741ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 12:23:49 | 1137ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 16:40:56 | 1422ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 17:41:14 | 2985ms | 2 NS 1 A 4 MX | 🔒 Secure |