jbserver.dk is a .dk domain served by 2 nameservers (meg.ns.cloudflare.com, rick.ns.cloudflare.com). It was registered on 3 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jbserver-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 |
|---|---|---|---|---|---|---|---|
| 94.231.109.30 | 300s | linux4.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms13033932 |
| MS=ms99099056 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jbserver.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.jbserver.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:36c172e9a99f45e9af51145f74591cbf@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.jbserver.dk | 7yvxMPnNczL8f1i9xcNdvn2ebin5SC4CW_ynsTaOUUQ |
| TXT | _acme-challenge.jbserver.dk | dLEwI3zlmdgnpwlxEUo7etE2Al5j-K1dfNOeo3ck84E |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2414691653 |
| Primary NS (MNAME) | meg.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-03-03 |
| Expires | 2027-03-31 (164d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:30:40 | 1221ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 04:26:29 | 1274ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:16:10 | 898ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 19:15:25 | 1393ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 07:16:23 | 1500ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 06:40:25 | 1512ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 01:09:31 | 1408ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 23:23:26 shown | 1663ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 16:40:20 | 1971ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 08:53:18 | 3291ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 21:59:19 | 17756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 04:23:50 | 2046ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 02:39:32 | 1141ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 18:03:31 | 5173ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 19:18:01 | 1061ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 00:38:14 | 1459ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:41:51 | 1258ms | 2 NS 1 A 1 MX | 🔒 Secure |