syltfaehre.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 104.21.10.12 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx2.frs.de. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.10.12 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.161.240 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 300s | mx2.frs.de | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:a0c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3030::ac43:a1f0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.10.12,172.67.161.240 ech=AEX+DQBBxQAgACDyYg1i/e0zUqcV9OWielLTCYkxwkA9aXhsLt+HvVibBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:a0c,2606:4700:3030::ac43:a1f0 |
| TXT Record |
|---|
| v=spf1 a mx ip4:82.194.97.140 -all |
| Policy | Record (syltfaehre.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:82.194.97.140 -all |
| www | 104.21.10.12 172.67.161.240 2606:4700:3030::6815:a0c 2606:4700:3030::ac43:a1f0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network syltfaehre.dk: 104.21.10.12 172.67.161.240 2606:4700:3030::6815:a0c 2606:4700:3030::ac43:a1f0 (AS13335) www.syltfaehre.dk: 104.21.10.12 172.67.161.240 2606:4700:3030::6815:a0c 2606:4700:3030::ac43:a1f0 (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: 2/10 · 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 | 2406509018 |
| 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) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 09:09:39 | 472ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-06 01:26:24 | 1358ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 23:10:59 | 718ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 22:48:29 | 603ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 18:41:38 | 755ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 00:41:17 | 2739ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 09:24:37 | 1897ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-10 16:02:11 | 1299ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 19:34:00 | 8748ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 06:39:45 | 3219ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 03:38:56 | 639ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 22:18:22 shown | 644ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 02:54:07 | 810ms | 2 NS 2 A 1 MX | 🔓 Insecure |