fagerberg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.249.192 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fagerberg-dk.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 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 |
|---|---|---|---|---|---|---|---|
| 81.95.249.192 | 3600s | dw-d058.dw-mgmt.lan | AS48854 | team.blue Denmark A/S | 81.95.240.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 62.242.38.84/30 |
| 80.197.39.144/28 |
| apple-domain-verification=mvBXKuXYgKRcVnh2 |
| google-site-verification=b8bBWftZcWKkVHi2guAyGW99uxMfyO6hC_pC2bViKuY |
| linkedin-site-verification=f60cc375-db9a-4c70-8c1a-c5344b0eb93d |
| MS=ms83631009 |
| MS=ms89878783 |
| v=spf1 include:spf.protection.outlook.com include:_spf49830.spfprotect.com -all |
| Policy | Record (fagerberg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf49830.spfprotect.com -all |
| Policy | Record (_dmarc.fagerberg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65f7f21ca7eaf@dmarc-dk.centerasecurity.com; |
| www CNAME | fagerberg.dk (all on fagerberg.dk) → 81.95.249.192 (AS48854) |
| 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 |
|---|---|---|
| k1 | k1._domainkey.fagerberg-dev.nozebrahosting.dk | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u1177162.wl163.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1177162.wl163.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-fagerberg-dk._domainkey.fagerbergdk.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-fagerberg-dk._domainkey.fagerbergdk.onmicrosoft.com | 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: 4/10 · 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 | 2026061401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 16:32:26 | 1004ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 18:27:13 | 853ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 12:28:23 | 1870ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 18:58:08 | 1309ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 04:40:25 | 25263ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 00:22:15 | 5367ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 11:18:13 | 1140ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 10:17:23 | 1288ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 19:08:06 shown | 737ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 06:03:59 | 1184ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:11:31 | 2288ms | 2 NS 1 A 1 MX | 🔒 Secure |