jb2.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.61.100.157 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by jb2.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 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 |
|---|---|---|---|---|---|---|---|
| 87.61.100.157 | 43200s | 0x573d649d.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.61.0.0/17 | 🇩🇰 Denmark | Aarhus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | jb2.dk | 87.61.100.157 | 0x573d649d.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101701 |
| 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 | ONE.COM A/S |
| Registered | 2007-12-02 |
| Expires | 2026-12-31 (67d) |
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 |
|---|---|
| com1.dk | Punktum dk A/S (direct) |
| grf-hjorthoej.dk | ONE.COM A/S |
| jbach.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 23:37:07 shown | 459ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 04:34:56 | 1043ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 03:51:58 | 1111ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 10:51:09 | 4631ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 22:29:26 | 995ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 07:34:19 | 2791ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 21:03:42 | 2486ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 18:02:01 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 01:27:15 | 1371ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 04:43:42 | 547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 10:36:53 | 516ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:14:13 | 997ms | 2 NS 1 A 1 MX | 🔒 Secure |