erdetsikkert.dk is a .dk domain served by 2 nameservers (hank.ns.cloudflare.com, sandra.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.9 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.erdetsikkert.dk, erdetsikkert-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 |
|---|---|---|---|---|---|---|---|
| 104.21.7.9 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.155.89 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:709 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:9b59 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.9,172.67.155.89 ech=AEX+DQBBVwAgACBYGi+NBGdDCG0Dpy2RJ3jtqpfP3nvmJWHup6tYM9HDZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:709,2606:4700:3036::ac43:9b59 |
| TXT Record |
|---|
| MS=ms49785534 |
| v=spf1 ip4:178.104.0.96 include:send.resend.com include:spf.protection.outlook.com ~all |
| Policy | Record (erdetsikkert.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.104.0.96 include:send.resend.com include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.erdetsikkert.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:fk@hverdagsai.dk |
| www | 104.21.7.9 172.67.155.89 2606:4700:3031::6815:709 2606:4700:3036::ac43:9b59 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network erdetsikkert.dk: 104.21.7.9 172.67.155.89 2606:4700:3031::6815:709 2606:4700:3036::ac43:9b59 (AS13335) www.erdetsikkert.dk: 104.21.7.9 172.67.155.89 2606:4700:3031::6815:709 2606:4700:3036::ac43:9b59 (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.erdetsikkert.dk | SrkkjJbwBTp6IEcSS97E82HrDUFk53pv-Y6DVBkYZcQ |
| TXT | _acme-challenge.erdetsikkert.dk | UvDCsLb_62oxON91uz-0nIwZRODGb-uRt6cfKcp7dK8 |
| 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 | 2414485353 |
| Primary NS (MNAME) | hank.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-16 14:24:17 | 1893ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-10 12:49:40 shown | 1906ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-03 14:07:34 | 1549ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-17 05:31:58 | 1462ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-02 00:35:34 | 1889ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 08:13:00 | 2158ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 08:04:03 | 774ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 08:03:29 | 16412ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 08:00:28 | 742ms | 2 NS 2 A 2 MX | 🔓 Insecure |