hjkontorcenter.dk is a .dk domain served by 2 nameservers (ns1.ithj.dk, ns2.ithj.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.99.93.170 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by hjkontorcenter-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 88.99.93.170 | 14400s | server.ithj.dk | AS24940 | Hetzner Online GmbH | 88.99.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:10a:1de9::2 | 14400s | server.ithj.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| ahrefs-site-verification_90aa3128e9c2217309c20b817095807a21b738fb27c297c2b5f4f1c020cba0c6 |
| brevo-code:8322e78c29bea1457d3019d8cb32f5a1 |
| google-site-verification=dxf0p5oX-TzZ1dPhxjr72jG61p5kfU0LyG4dFbqMpeQ |
| v=spf1 ip4:88.99.93.170 include:spf.protection.outlook.com include:spf.azehosting.net include:spf.tigermedia.eu include:servers.mcsv.net include:spf-partner.lasertryk.dk ip4:193.201.39.53 ip4:212.10.105.132 ip4:91.235.100.24 ip6:2603:10a6:6:23::14 -all |
| Policy | Record (hjkontorcenter.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:88.99.93.170 include:spf.protection.outlook.com include:spf.azehosting.net include:spf.tigermedia.eu include:servers.mcsv.net include:spf-partner.lasertryk.dk ip4:193.201.39.53 ip4:212.10.105.132 ip4:91.235.100.24 ip6:2603:10a6:6:23::14 -all |
| Policy | Record (_dmarc.hjkontorcenter.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www CNAME | hjkontorcenter.dk (all on hjkontorcenter.dk) |
| www vs bare domain | Same network hjkontorcenter.dk: 88.99.93.170 2a01:4f8:10a:1de9::2 (AS24940) www.hjkontorcenter.dk: 88.99.93.170 2a01:4f8:10a:1de9::2 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA Invalid key data — receivers can't verify signatures |
| selector1 | selector1-hjkontorcenter-dk._domainkey.hjkontorcenteras952.onmicrosoft.com | RSA · ~1024 bit below 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: 6/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.hjkontorcenter.dk | yEvfGr0xjRlQ4wu9tVAQkBboGeIB_pIRRhHVeKyhgoI |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026091106 |
| Primary NS (MNAME) | ns1.ithj.dk |
| Responsible (RNAME) | jens@jncomputer.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 03:46:09 | 1409ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 17:48:13 | 797ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 20:48:18 | 2395ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 20:09:00 | 3185ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 19:13:52 | 2554ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 09:19:50 | 1902ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 23:36:32 shown | 3866ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 07:16:19 | 3904ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 05:25:25 | 9932ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 02:08:23 | 3912ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-31 06:19:37 | 2812ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 12:30:55 | 1449ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 22:09:40 | 1143ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:24:08 | 3046ms | 2 NS 1 A 1 MX | 🔓 Insecure |