grammathias.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.61.121.185 is hosted by Oracle Corporation (AS31898) in Germany. 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 |
|---|---|---|---|---|---|---|---|
| 130.61.121.185 | 43200s | — | AS31898 | Oracle Corporation | 130.61.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mxa.mailgun.org | 34.36.182.139 | 139.182.36.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 43200s | mxb.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | grammathias.dk → 130.61.121.185 |
| 🔶 Autoconfig | grammathias.dk → 130.61.121.185 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org ~all |
| Policy | Record (grammathias.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| www CNAME | grammathias.dk (all on grammathias.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.grammathias.dk | grammathias.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091001 |
| 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 | 2013-05-23 |
| Expires | 2027-05-31 (219d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 07:23:34 | 694ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 23:55:47 shown | 610ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 04:18:10 | 739ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-10 20:12:02 | 1858ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 04:42:11 | 1107ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-07 00:50:34 | 25145ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 19:33:57 | 8962ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-16 11:31:20 | 1012ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 22:54:14 | 770ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 14:49:38 | 934ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:01:25 | 915ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:11:08 | 2498ms | 2 NS 1 A 2 MX | 🔒 Secure |