wisby.dk is a .dk domain served by 2 nameservers (ns1.kieferdns.dk, ns2.kieferdns.dk). It was registered on 16 April 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail2.kiefer.dk. The zone is of unknown DNSSEC status, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.kieferdns.dk | 51.68.230.74 | 74.ip-51-68-230.eu | AS16276 OVH SAS |
| ns2.kieferdns.dk | 192.243.101.225 | — | AS36454 WHG Hosting Services Ltd |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail2.kiefer.dk | 2001:41d0:305:2100::64c8 51.68.230.81 |
— mail2.kiefer.dk |
AS16276 OVH SAS AS16276 OVH SAS |
| TXT Record |
|---|
| v=spf1 mx a ip4:37.187.60.179 ip4:51.91.249.33 a:mail1.kiefer.dk a:mail2.kiefer.dk a:exchange.kiefer.dk -all |
| Policy | Record (wisby.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:37.187.60.179 ip4:51.91.249.33 a:mail1.kiefer.dk a:mail2.kiefer.dk a:exchange.kiefer.dk -all |
| Policy | Record (_dmarc.wisby.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:abuse@wisby.dk; adkim=s; aspf=s; |
| www | 37.187.66.122 (AS16276) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2020041101 |
| Primary NS (MNAME) | ns1.kieferdns.dk |
| Responsible (RNAME) | hostmaster@kieferdns.dk |
| Refresh | 2400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-04-16 |
| Expires | 2031-04-30 (1645d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:10:34 | 1386ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 06:27:41 | 914ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-06 05:47:55 | 3260ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-03 06:49:44 | 12674ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-02 22:14:04 | 3615ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:23:25 | 2372ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-06-22 13:12:57 | 1814ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-06-18 00:16:30 shown | 3989ms | 2 NS 0 A 1 MX | ❓ Unknown |