jacobis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.151 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.151 | 3600s | webcluster24.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | jacobis.dk → 77.111.240.151 |
| 🔶 Autoconfig | jacobis.dk → 77.111.240.151 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:bf:fd51:345e:82b7 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com mx a ip4:91.221.196.226 include:google.com -all |
| Policy | Record (jacobis.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com mx a ip4:91.221.196.226 include:google.com -all |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | 2026081602 |
| 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 | 2017-01-26 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 01:39:53 | 565ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-12 18:11:14 | 928ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-09 14:14:46 | 1621ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-07 10:18:04 | 838ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-04 05:39:34 | 599ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-25 04:56:56 | 869ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-31 17:53:35 | 8616ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-17 22:15:01 shown | 5786ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-15 10:03:12 | 5631ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-04 21:25:17 | 2814ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-20 01:50:59 | 776ms | 2 NS 1 A 5 MX | ⚠️ Bogus |
| 2026-06-18 05:00:58 | 1453ms | 2 NS 1 A 5 MX | 🔒 Secure |