sabech.dk is a .dk domain served by 2 nameservers (kate.ns.cloudflare.com, terry.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.193 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.sabech.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.72.193 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.139 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.sabech.dk | 2a04:52c0:108:c9a4::1 5.255.103.58 |
mail.exer.dk mail.exer.dk |
AS60404 The Infrastructure Group B.V. AS60404 The Infrastructure Group B.V. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:9a8b | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:48c1 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.72.193,172.67.154.139 ech=AEX+DQBBUgAgACB1vE1eH8kziXW4haY8N1cQ8yAGQJj6ZRDAyBDVjynpOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9a8b,2606:4700:3035::6815:48c1 |
| TXT Record |
|---|
| v=spf1 +a +mx include:_spf.exer.dk include:_spf.google.com -all |
| Policy | Record (sabech.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx include:_spf.exer.dk include:_spf.google.com -all |
| Policy | Record (_dmarc.sabech.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:noreply-dmarc@system.exer.dk |
| www | 104.21.72.193 172.67.154.139 2606:4700:3032::6815:48c1 2606:4700:3037::ac43:9a8b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406018811 |
| Primary NS (MNAME) | kate.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 02:28:05 | 696ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 12:30:26 | 1261ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 08:35:29 | 1680ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 23:48:07 | 1210ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 05:06:10 | 1675ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:41:37 | 1862ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 13:49:14 | 914ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 01:17:12 shown | 1105ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:23:35 | 778ms | 2 NS 2 A 1 MX | 🔓 Insecure |