schulma.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mxa.mailgun.org, mxb.mailgun.org. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mxa.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 600s | mxb.mailgun.org | 34.36.182.139 | 139.182.36.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org include:spf.mailjet.com -all |
| Policy | Record (schulma.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mailgun.org include:spf.mailjet.com -all |
| www | 195.47.247.18 (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 |
DNS lookups: 6/10 · 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 | 2026080901 |
| 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 | 2016-07-22 |
| Expires | 2027-07-31 (279d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 04:21:13 | 1774ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 18:16:46 | 1660ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 02:38:57 | 699ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 00:42:57 | 1054ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 08:37:19 shown | 5093ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 17:15:30 | 997ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 19:44:50 | 8803ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-12 23:19:39 | 891ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-09 01:56:16 | 17095ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 14:03:25 | 2075ms | 2 NS 1 A 2 MX | 🔒 Secure |