spf-herning.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 7 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.229 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by secure.lundbergdata.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.6.229 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.135.110 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | secure.lundbergdata.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 194.110.206.123 |
| 🔶 Autoconfig | 34.241.209.55 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:6e5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:876e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.6.229,172.67.135.110 ech=AEX+DQBBEAAgACAgZuF7RB3K25x3aEq9V8I4d46VUZ4Br2zt0/LTxBmkdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:6e5,2606:4700:3031::ac43:876e |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | outlook.ldasp.dk |
| www | 104.21.6.229 172.67.135.110 2606:4700:3031::6815:6e5 2606:4700:3031::ac43:876e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network spf-herning.dk: 104.21.6.229 172.67.135.110 2606:4700:3031::6815:6e5 2606:4700:3031::ac43:876e (AS13335) www.spf-herning.dk: 104.21.6.229 172.67.135.110 2606:4700:3031::6815:6e5 2606:4700:3031::ac43:876e (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2416886434 |
| Primary NS (MNAME) | cortney.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 | 1998-10-07 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 16:53:15 shown | 906ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:10:27 | 606ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 00:38:57 | 529ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 15:58:29 | 1039ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-07 10:12:42 | 4303ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 15:22:27 | 829ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 18:57:49 | 662ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 00:57:00 | 876ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:02:47 | 879ms | 2 NS 2 A 1 MX | 🔓 Insecure |