grefta.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.130.181.250 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx1.mtaroutes.com, mx2.mtaroutes.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 94.130.181.250 | 600s | mail1.klikpost.dk | AS24940 | Hetzner Online GmbH | 94.130.0.0/16 | 🇩🇪 Germany | Nuremberg |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:1c0c:41f4::1 | 600s | mail1.klikpost.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| f690bb92025c53db79fbd945360cbc220a23795ad216155cf83436dc075f60e5 |
| v=spf1 ip6:2a01:4f8:1c0c:41f4::1 a mx include:spf-partner.lasertryk.dk include:spf.mtaroutes.com -all |
| Policy | Record (grefta.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip6:2a01:4f8:1c0c:41f4::1 a mx include:spf-partner.lasertryk.dk include:spf.mtaroutes.com -all |
| www CNAME | grefta.dk (all on grefta.dk) |
| www vs bare domain | Same network grefta.dk: 94.130.181.250 2a01:4f8:1c0c:41f4::1 (AS24940) www.grefta.dk: 94.130.181.250 2a01:4f8:1c0c:41f4::1 (AS24940) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.grefta.dk | grefta.dk |
| TXT | grefta.dk | f690bb92025c53db79fbd945360cbc220a23795ad216155cf83436dc075f60e5 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mtaroutes.com | DANE-EE · SPKI · SHA-256 | A10EC56F992E0E0C5B5A3860F281ADAF… |
| SMTP _25._tcp.mx2.mtaroutes.com | DANE-EE · SPKI · SHA-256 | A10EC56F992E0E0C5B5A3860F281ADAF… |
| SMTP _25._tcp.mx3.mtaroutes.com | DANE-EE · SPKI · SHA-256 | A10EC56F992E0E0C5B5A3860F281ADAF… |
| SMTP _25._tcp.mx4.mtaroutes.com | DANE-EE · SPKI · SHA-256 | A10EC56F992E0E0C5B5A3860F281ADAF… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052001 |
| 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 | 1998-06-04 |
| Expires | 2027-06-30 (255d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 21:52:27 | 1081ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-20 12:25:00 | 11097ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-20 09:45:18 | 1296ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 04:43:42 | 951ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-22 04:19:27 | 906ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:55:36 | 1329ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-20 03:59:06 | 2917ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-19 16:19:54 | 2865ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-18 17:33:42 shown | 1312ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 09:27:37 | 843ms | 2 NS 1 A 5 MX | 🔒 Secure |