sylt-faehre.dk is a .dk domain served by 2 nameservers (clyde.ns.cloudflare.com, vera.ns.cloudflare.com). It was registered on 15 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.2 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx2.frs.eu. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.51.2 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.215.122 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 300s | mx2.frs.eu | 104.21.44.229 172.67.204.192 2606:4700:3034::ac43:ccc0 2606:4700:3035::6815:2ce5 |
— — — — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:d77a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:3302 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.51.2,172.67.215.122 ech=AEX+DQBBfAAgACA7PZFnKm92jj5ZTGcAzeUs/wWa8y9Esg7Xva8fKqKISAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d77a,2606:4700:3032::6815:3302 |
| TXT Record |
|---|
| v=spf1 a mx ip4:82.194.97.140 include:spf.protection.outlook.com -all |
| Policy | Record (sylt-faehre.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:82.194.97.140 include:spf.protection.outlook.com -all |
| www | 104.21.51.2 172.67.215.122 2606:4700:3030::ac43:d77a 2606:4700:3032::6815:3302 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sylt-faehre.dk: 104.21.51.2 172.67.215.122 2606:4700:3030::ac43:d77a 2606:4700:3032::6815:3302 (AS13335) www.sylt-faehre.dk: 104.21.51.2 172.67.215.122 2606:4700:3030::ac43:d77a 2606:4700:3032::6815:3302 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417913142 |
| Primary NS (MNAME) | clyde.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2009-06-15 |
| Expires | 2027-06-30 (253d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| frs-syltfaehre.dk | InterNetX GmbH |
| sylt-express.dk | InterNetX GmbH |
| syltfaehre.dk | InterNetX GmbH |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 23:26:09 shown | 977ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 06:24:32 | 2863ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:23:21 | 580ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 16:49:12 | 743ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 21:06:07 | 672ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 20:50:28 | 762ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 20:29:52 | 699ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 09:46:21 | 886ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 06:42:17 | 10060ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 21:57:21 | 1217ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-26 00:30:38 | 16927ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 16:32:09 | 9133ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 00:30:46 | 1975ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 21:08:33 | 3286ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:30:18 | 954ms | 2 NS 2 A 1 MX | 🔓 Insecure |