fzsj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. Mail is handled by fzsj-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 216.24.57.1 | 3600s | ip-216-24-57-1.ingress.render.com | AS397273 | Render | 216.24.57.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms53176927 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (fzsj.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | fzsj-advisory.onrender.com (all on onrender.com) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091803 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 18:01:20 | 985ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 21:43:27 shown | 1148ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 12:04:32 | 1241ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 20:41:57 | 1669ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 08:34:34 | 855ms | 2 NS 1 A 1 MX | 🔒 Secure |