680.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 6 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (680.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.680.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | 680.dk (all on 680.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 2/10 · policy: -all
No problems found| 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 | 2026061801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@680.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2008-01-06 |
| Expires | 2029-01-31 (832d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 19:48:39 | 616ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:00:02 | 1490ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 22:46:05 | 657ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 21:41:23 | 842ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 17:14:18 | 640ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 05:24:00 | 932ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 03:06:08 | 2175ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 22:38:34 | 8797ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 03:10:21 | 1751ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 04:29:44 | 1518ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 11:11:31 | 17856ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 03:46:37 | 2405ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-02 21:36:50 | 902ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 14:21:11 | 878ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 09:32:27 shown | 5673ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 13:14:40 | 2821ms | 5 NS 1 A 3 MX | 🔓 Insecure |