jan-jakobsen.dk is a .dk domain served by 2 nameservers (ns1.loopiagroup.com, ns2.loopiagroup.com). It was registered on 14 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.235.174.18 is hosted by Loopia AB (AS41528) in Sweden. Mail is handled by mail.jan-jakobsen.dk, mail2.jan-jakobsen.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 109.235.174.18 | 7200s | ing.r103.websupport.se | AS41528 | Loopia AB | 109.235.174.0/23 | 🇸🇪 Sweden | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | web.prod.bts.websupport.sk → 37.9.169.171 |
| 🔶 Autoconfig | web.prod.bts.websupport.sk → 37.9.169.173 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:1968:0:1:109:235:174:19 | 7200s | — | AS41528 | Loopia AB | 2a00:1968:0:0:0:0:0:0/48 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| v=spf1 mx ip4:77.232.64.0/19 include:_spf.m101.websupport.se +all |
| Policy | Record (jan-jakobsen.dk) |
|---|---|
| +all (no restriction) | v=spf1 mx ip4:77.232.64.0/19 include:_spf.m101.websupport.se +all |
| www | 109.235.174.18 2a00:1968:0:1:109:235:174:19 (AS41528) (address records, no CNAME) |
| www vs bare domain | Same network jan-jakobsen.dk: 109.235.174.18 2a00:1968:0:1:109:235:174:19 (AS41528) www.jan-jakobsen.dk: 109.235.174.18 2a00:1968:0:1:109:235:174:19 (AS41528) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 3/10 · policy: +all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1791840104 |
| Primary NS (MNAME) | ns1.loopiagroup.com |
| Responsible (RNAME) | dnsadmin@loopiagroup.com |
| Refresh | 7200s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2023-02-14 |
| Expires | 2027-02-13 (118d) |
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 |
|---|---|---|---|
| 2026-10-13 19:17:12 shown | 1490ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 11:46:07 | 2731ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 04:50:52 | 2119ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 07:16:55 | 2056ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 01:20:18 | 1027ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 15:43:42 | 2419ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-14 22:57:58 | 1341ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 14:41:30 | 1354ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-01 06:13:15 | 1598ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 01:53:27 | 2752ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-04 22:51:58 | 1547ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 20:58:44 | 13847ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 21:03:59 | 1117ms | 2 NS 1 A 2 MX | 🔒 Secure |