sikkerfil.dk is a .dk domain served by 4 nameservers (ns-1057.awsdns-04.org, ns-124.awsdns-15.com, ns-1598.awsdns-07.co.uk and 1 more). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (sikkerfil.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.sikkerfil.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:mail@christiandt.com |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:mail@christiandt.com |
| 0 | issue | amazon.com |
| 0 | issuewild | amazon.com |
DNS lookups: 0/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-124.awsdns-15.com |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-16 09:19:47 shown | 4242ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-31 05:24:49 | 163ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-29 09:06:01 | 531ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 19:08:34 | 179ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-26 17:24:40 | 941ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-26 10:51:03 | 197ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-24 17:24:17 | 197ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 02:46:19 | 8822ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 02:21:41 | 1087ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 02:12:32 | 1110ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 01:01:18 | 8678ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 23:31:28 | 2158ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 14:18:39 | 893ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 13:58:50 | 1774ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-14 11:16:23 | 9718ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 09:34:23 | 8636ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-11 19:59:03 | 811ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 13:55:05 | 2256ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 10:48:20 | 3051ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-28 11:14:06 | 9999ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 07:24:38 | 1046ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 07:13:16 | 1010ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 06:58:51 | 1010ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 06:28:50 | 1014ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 06:15:55 | 9886ms | 2 NS 0 A 0 MX | ❓ Unknown |