refslundsimonsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.252 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 not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.252 | 3600s | webcluster2.webpod18-cph3.g1i.one | 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 |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:80e1:da1f:fa81:9384 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (refslundsimonsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.refslundsimonsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 46.30.215.252 2a02:2350:5:108:80e1:da1f:fa81:9384 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network refslundsimonsen.dk: 46.30.215.252 2a02:2350:5:108:80e1:da1f:fa81:9384 (AS51468) www.refslundsimonsen.dk: 46.30.215.252 2a02:2350:5:108:80e1:da1f:fa81:9384 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| 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 | 2026060604 |
| 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 | 2026-05-22 |
| Expires | 2027-05-21 (214d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 01:05:02 | 1918ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 00:28:20 | 822ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 16:11:11 | 565ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 08:18:16 | 818ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 02:37:02 | 627ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 01:28:00 | 704ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 02:50:23 | 1217ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-27 13:17:24 | 1048ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-24 11:38:18 | 952ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-29 13:36:43 shown | 687ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-21 18:34:35 | 538ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-18 07:31:51 | 2577ms | 2 NS 1 A 4 MX | 🔓 Insecure |