grammatip.dk is a .dk domain served by 2 nameservers (ns1.ordbogen.com, ns2.ordbogen.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.240.88.23 is hosted by Ordbogen A/S (AS198901) in Denmark. Mail is handled by mail.ordbogen.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns1.ordbogen.com | 91.240.88.19 | ns1.ordbogen.com | AS198901 Ordbogen A/S |
| ns2.ordbogen.com | 91.240.88.20 | ns2.ordbogen.com | AS198901 Ordbogen A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.240.88.23 | 600s | — | AS198901 | Ordbogen A/S | 91.240.88.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.ordbogen.com | 91.240.88.21 | mail.ordbogen.com | AS198901 Ordbogen A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | grammatip.dk → 91.240.88.23 |
| 🔶 Autoconfig | grammatip.dk → 91.240.88.23 |
| www CNAME | grammatip.dk (all on grammatip.dk) → 91.240.88.23 (AS198901) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.grammatip.dk | grammatip.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1789461782 |
| Primary NS (MNAME) | ns1.ordbogen.com |
| Responsible (RNAME) | hostmaster@grammatip.dk |
| Refresh | 16384s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 13:24:00 | 765ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 14:26:29 | 763ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:28:48 | 1380ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 03:21:54 | 707ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 03:48:28 | 945ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 01:21:44 shown | 1918ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 11:38:08 | 1419ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 11:19:02 | 6375ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 01:04:14 | 2585ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 06:48:17 | 661ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 05:33:38 | 1008ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 11:16:09 | 2833ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 09:46:33 | 771ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 07:55:52 | 849ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 21:47:08 | 569ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 19:50:48 | 409ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 06:08:46 | 1116ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:00:25 | 1385ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:19:11 | 1124ms | 2 NS 1 A 1 MX | 🔓 Insecure |