sikkerhedogdata.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.198.70.18 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.iterhverv.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.198.70.18 | — | — | AS3292 | TDC Holding A/S | 80.196.0.0/14 | 🇩🇰 Denmark | Malling |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.iterhverv.dk | 80.198.70.6 | mail.iterhverv.dk | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 ip4:80.198.70.6 |
| Policy | Record (sikkerhedogdata.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 ip4:80.198.70.6 |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves sikkerhedogdata.dk: no address www.sikkerhedogdata.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-sikkerhedogdata-dk._domainkey.itshdenmark.q-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-sikkerhedogdata-dk._domainkey.itshdenmark.q-v1.dkim.mail.microsoft | 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: 0/10 · policy: none
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052501 |
| 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 | Simply.com A/S |
| Registered | 2011-02-22 |
| Expires | 2027-02-28 (128d) |
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).
| Domain | Registrar |
|---|---|
| it-supportteam.dk | Simply.com A/S |
| iterhverv.dk | Simply.com A/S |
| itse.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:18:49 | 902ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-03 21:29:42 | 2869ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 20:57:39 | 894ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-26 15:44:59 | 911ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-31 14:15:09 | 836ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 14:46:38 | 1348ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 06:25:39 | 2506ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 07:57:09 | 758ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:35:05 shown | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |