aarsleffrail.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 25 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.199.156.243 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aarsleffrail-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| a.portsdns.se | — | — | — |
| b.portsdns.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 138.199.156.243 | — | static.243.156.199.138.clients.your-server.de | AS24940 | Hetzner Online GmbH | 138.199.128.0/17 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| MS=ms59956768 |
| v=spf1 include:aarsleff.com ~all |
| Policy | Record (aarsleffrail.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:aarsleff.com ~all |
| www | 138.199.156.243 (AS24940) (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 |
|---|---|---|
| selector1 | selector1-aarsleffrail-dk._domainkey.aarsleff.a-v1.dkim.mail.microsoft | 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: 8/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026053100 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 28800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2008-11-25 |
| Expires | 2026-11-30 (41d) |
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 |
|---|---|---|---|
| 2026-09-29 10:39:34 | 4002ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 10:20:52 | 833ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 10:08:09 | 1165ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 08:55:37 | 1067ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 22:00:14 | 2905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 18:40:44 | 979ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 09:57:26 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 09:50:43 | 986ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:07:18 | 1553ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 05:51:32 | 1601ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 07:31:58 | 10519ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 20:19:20 | 9829ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 17:10:34 | 1866ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 13:35:11 | 881ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 00:10:32 | 4479ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:55:29 shown | 1537ms | 2 NS 1 A 1 MX | 🔒 Secure |