opstartshistorier.dk is a .dk domain served by 2 nameservers (fred.ns.cloudflare.com, janet.ns.cloudflare.com). It was registered on 1 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.213 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.stackmail.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.55.213 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.173.108 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.stackmail.com | 185.151.28.67 | mx.stackmail.com | AS48254 20i Limited |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:37d5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:ad6c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.55.213,172.67.173.108 ech=AEX+DQBB/AAgACDkQn75u68jf13fHuc0EGMzIMLP7MDmbrjVtybKzH9vcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:37d5,2606:4700:3035::ac43:ad6c |
| TXT Record |
|---|
| v=spf1 include:spf.stackmail.com a mx -all |
| Policy | Record (opstartshistorier.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.stackmail.com a mx -all |
| www | 104.21.55.213 172.67.173.108 2606:4700:3035::6815:37d5 2606:4700:3035::ac43:ad6c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network opstartshistorier.dk: 104.21.55.213 172.67.173.108 2606:4700:3035::6815:37d5 2606:4700:3035::ac43:ad6c (AS13335) www.opstartshistorier.dk: 104.21.55.213 172.67.173.108 2606:4700:3035::6815:37d5 2606:4700:3035::ac43:ad6c (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · 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 | 2405552383 |
| Primary NS (MNAME) | fred.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-06-01 |
| Expires | 2027-05-31 (223d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 19:46:48 | 849ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-05 07:38:36 | 628ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-02 07:28:39 | 597ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 07:11:13 | 1396ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 06:55:56 | 1058ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 06:04:59 | 638ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 05:24:36 | 988ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 03:59:07 | 964ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 08:18:00 | 1354ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 17:12:48 | 852ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 08:19:10 | 1458ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-22 07:21:42 | 1078ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 15:48:05 | 1251ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 11:53:09 shown | 813ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 17:59:08 | 993ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-17 22:53:20 | 821ms | 2 NS 2 A 1 MX | 🔓 Insecure |