gr-1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.178.178.6 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by gr-1.dk. 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 |
|---|---|---|---|---|---|---|---|
| 93.178.178.6 | 3600s | mail.gr-1.dk | AS3292 | TDC Holding A/S | 93.178.128.0/18 | 🇩🇰 Denmark | Aarhus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | gr-1.dk | 93.178.178.6 | mail.gr-1.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.178.178.6 |
| 🔶 Autoconfig | 93.178.178.6 |
| TXT Record |
|---|
| brevo-code:903296035dbbc28e07bd41623a541219 |
| google-site-verification=l7GAkC6eUL5zAt3O94VVUOMRyhW8emFOAO8XvbqwRKE |
| google-site-verification=RwfG1fdj2uDts7e_SMwcSFQnLsljUQJkOMHsMRHJfjE |
| MS=6BACCEC29A474441027DB4D00F3E3FD1DFE427B5 |
| v=spf1 a:gr-1.dk ip4:93.178.178.6 include:_spf.google.com include:_custspf.one.com include:spf.protection.outlook.com -all |
| Policy | Record (gr-1.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:gr-1.dk ip4:93.178.178.6 include:_spf.google.com include:_custspf.one.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.gr-1.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:kig@gr-1.dk |
| www | 93.178.178.6 (AS3292) (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 |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
| — | 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: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.gr-1.dk | _cQCsI-1z_KMvbSIyJZT-v45cGcHUP2-n6ggaJMxkAs |
| TXT | _acme-challenge.gr-1.dk | FMp58LCsXNcI-igTjPk5XnuZ-D75IWRwx9nZ0Y57eD8 |
| 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 |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-06-14 |
| Expires | 2028-06-30 (621d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 19:07:32 shown | 1610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 01:40:50 | 840ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 12:53:22 | 713ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 13:03:30 | 3393ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 11:47:01 | 694ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 16:31:22 | 612ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 13:50:04 | 626ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 15:55:46 | 622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 00:20:43 | 1074ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:34:20 | 1348ms | 2 NS 1 A 1 MX | 🔒 Secure |