jonasbk.dk is a .dk domain served by 2 nameservers (seth.ns.cloudflare.com, ulla.ns.cloudflare.com). It was registered on 11 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.243.52 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.jonasbk.dk, mx-weu.jonasbk.dk. 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 |
|---|---|---|---|---|---|---|---|
| 87.104.243.52 | — | 87-104-243-52.static.ewii.dk | AS204151 | EWII Bredbaand A/S | 87.104.240.0/20 | 🇩🇰 Denmark | Kolding |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.jonasbk.dk | 168.63.96.79 | mdaemon01-1-ooblogic.westeurope.cloudapp.azure.com | AS8075 Microsoft Corporation |
| 20 | — | mx-weu.jonasbk.dk | 168.63.96.79 | mdaemon01-1-ooblogic.westeurope.cloudapp.azure.com | AS8075 Microsoft Corporation |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (jonasbk.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.jonasbk.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:AggretadDMAC-sbc@psychosoft.dk; ruf=mailto:ForensicDMAC-sbc@psychosoft.dk; sp=none; adkim=s; fo=1; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:caa-violations@psychosoft.dk |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | hosted-sites.ooblogic.com (all on ooblogic.com) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2406996654 |
| Primary NS (MNAME) | seth.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 | 2023-09-11 |
| Expires | 2027-09-10 (328d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 05:45:50 | 1624ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 17:39:17 | 1116ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 15:04:28 | 579ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 13:16:34 | 1928ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 17:27:47 | 1586ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 17:37:18 | 1461ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 02:36:18 | 1780ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 00:31:11 | 1588ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 17:25:07 | 9415ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 13:04:53 | 1320ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-21 08:44:09 | 1061ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-10 07:21:59 | 1239ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 22:27:53 | 1201ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 18:43:26 | 1831ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 07:27:24 | 1276ms | 2 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-17 15:36:18 shown | 1346ms | 2 NS 1 A 2 MX | 🔒 Secure |