rondeefterskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.67 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mxa.eu.mailgun.org, mxb.eu.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 |
|---|---|---|---|---|---|---|---|
| 94.231.106.67 | 43200s | linux207.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mxa.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 3600s | mxb.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.106.67 |
| 🔶 Autoconfig | 94.231.106.67 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org ~all |
| Policy | Record (rondeefterskole.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| Policy | Record (_dmarc.rondeefterskole.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:dd4e0fd1@dmarc.mailgun.org,mailto:6210e2bb@inbox.ondmarc.com; ruf=mailto:dd4e0fd1@dmarc.mailgun.org,mailto:6210e2bb@inbox.ondmarc.com; |
| www | 94.231.106.67 (AS48854) (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 |
| Selector | CNAME | Key |
|---|---|---|
| s1 | — | 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 | 2026101201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:33:01 shown | 595ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 18:24:31 | 580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-13 13:45:27 | 835ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 13:13:27 | 599ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 14:26:49 | 5017ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 06:40:24 | 5045ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-19 13:01:58 | 8659ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 13:52:01 | 928ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 12:21:55 | 896ms | 2 NS 1 A 2 MX | 🔒 Secure |