singleapp.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mxa.mailgun.org, mxb.mailgun.org. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.191 | 3600s | webforward.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mxa.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 3600s | mxb.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.215.191 |
| 🔶 Autoconfig | 46.30.215.191 |
| TXT Record |
|---|
| google-site-verification=jkuefgQCS7i_jPe7edwIZ2PPjR6qFECqI2rhqbzePFI |
| v=spf1 include:mailgun.org -all |
| Policy | Record (singleapp.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mailgun.org -all |
| Policy | Record (_dmarc.singleapp.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:ipm1zv8@ar.glockapps.com,mailto:re+c4q356zqvv4@dmarc.postmarkapp.com; ruf=mailto:ipm1zv8@fr.glockapps.com; aspf=r; fo=1; pct=100; |
| www | 46.30.215.191 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| BIMI | v=BIMI1; l=https://d35vz4mrzuz1h1.cloudfront.net/uploads/manual/emails/logo.svg; |
| Selector | CNAME | Key |
|---|---|---|
| k1 | — | RSA · ~1024 bit below 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: 5/10 · 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 | 2026083001 |
| 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 | 2012-10-29 |
| Expires | 2026-10-31 (12d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:08:18 shown | 665ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-13 15:32:16 | 698ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-06 17:03:28 | 726ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-21 06:51:03 | 5058ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 18:01:09 | 717ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 11:22:33 | 1919ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 07:38:14 | 2031ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 19:43:23 | 567ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 06:58:34 | 8065ms | 2 NS 1 A 2 MX | 🔒 Secure |