sikker-post.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.2 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sikkerpost-dk01e.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 93.191.158.2 | 600s | linux1.dandomain.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| e5799ad5514b4a4eac727a0a5a29420e |
| facebook-domain-verification=1vplvo7tiie070tk4rzmkdg8qyz3ey |
| google-site-verification=7YIi_PPWQV_HKn7-RCZP67B2G-jdV1lbkbOB76_LYQo |
| MS=ms80431897 |
| v=spf1 ip4:13.73.179.165 include:spf.protection.outlook.com include:email.freshdesk.com ip4:93.191.155.217 ~all |
| Policy | Record (sikker-post.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:13.73.179.165 include:spf.protection.outlook.com include:email.freshdesk.com ip4:93.191.155.217 ~all |
| Policy | Record (_dmarc.sikker-post.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:olx8thcn@ag.eu.dmarcadvisor.com; |
| www | 93.191.158.2 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u113391270.wl021.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u113391270.wl021.sendgrid.net | 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: 8/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090301 |
| 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 | 2015-10-03 |
| Expires | 2027-10-31 (378d) |
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 |
|---|---|
| dpgapi.dk | Punktum dk A/S (direct) |
| sendsikkert.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:24:06 shown | 5002ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 18:08:46 | 1002ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 21:30:46 | 808ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 20:43:28 | 1201ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 16:24:34 | 949ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 00:02:52 | 616ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 20:41:42 | 1180ms | 2 NS 1 A 1 MX | 🔒 Secure |