sikma.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.90.80.84 is hosted by Google LLC (AS396982) in The Netherlands. Mail is handled by mx10.mailspamprotection.com, mx20.mailspamprotection.com and 1 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 34.90.80.84 | 600s | 84.80.90.34.bc.googleusercontent.com | AS396982 | Google LLC | 34.80.0.0/12 | 🇳🇱 The Netherlands | Groningen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx10.mailspamprotection.com | 34.149.79.66 | 66.79.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 20 | 43200s | mx20.mailspamprotection.com | 34.120.156.61 | 61.156.120.34.bc.googleusercontent.com | AS396982 Google LLC |
| 30 | 43200s | mx30.mailspamprotection.com | 34.111.121.216 | 216.121.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| TXT Record |
|---|
| google-site-verification=PLGzTxGtR00yLGk2o818auqtW7ubVKgfpxvzlRiLEfA |
| MS=77A19788C412E84E138823C74C2A5C530ECE3CCB |
| v=spf1 include:spf.mailjet.com +a +mx +ip4:35.204.100.118 +include:_spf.mailspamprotection.com include:spf.mandrillapp.com ~all |
| Policy | Record (sikma.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.mailjet.com +a +mx +ip4:35.204.100.118 +include:_spf.mailspamprotection.com include:spf.mandrillapp.com ~all |
| Policy | Record (_dmarc.sikma.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; ruf=mailto:mg@sikma.dk |
| www CNAME | sikma.dk (all on sikma.dk) → 34.90.80.84 (AS396982) |
| 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 |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u1571572.wl073.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1571572.wl073.sendgrid.net | 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101004 |
| 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 | 2011-11-25 |
| Expires | 2026-11-30 (38d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 17:44:08 | 1424ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-10 17:26:05 shown | 574ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 14:04:52 | 546ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-19 08:50:50 | 1349ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-12 05:53:23 | 761ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 02:16:36 | 969ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-11 01:48:09 | 2924ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-17 02:37:19 | 802ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-11 16:46:47 | 1682ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 17:41:46 | 639ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 23:29:46 | 690ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 05:08:27 | 738ms | 2 NS 1 A 3 MX | 🔒 Secure |