sandermand.dk is a .dk domain served by 2 nameservers (coby.ns.cloudflare.com, serenity.ns.cloudflare.com). It was registered on 15 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.242 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.7.242 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.25 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.188.25 |
| 🔶 Autoconfig | 104.21.7.242 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:7f2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:bc19 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.242,172.67.188.25 ech=AEX+DQBBIwAgACDiXApAx2tzmaPHnn1mOhEBcFKBveVQ2ryXxfv9x7c0HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:7f2,2606:4700:3033::ac43:bc19 |
| www | 104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sandermand.dk: 104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335) www.sandermand.dk: 104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sandermand.dk | RwzTSDWDDM2Ms1rGwS8uNdw3tpg8w6vD3CtzCnmkD_4 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2411089300 |
| Primary NS (MNAME) | coby.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2013-05-15 |
| Expires | 2027-05-31 (224d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 14:26:38 | 3213ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-10-10 06:28:34 | 2707ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-10-01 04:56:08 | 1565ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-30 03:19:31 | 807ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-21 05:37:38 | 1049ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-12 10:34:01 | 1821ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-03 23:50:51 | 776ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-27 17:58:04 | 711ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-24 14:09:56 | 12443ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-20 11:40:36 | 11991ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-12 13:30:56 | 4941ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-09 07:34:18 | 1478ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-02 07:18:41 shown | 1700ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-07-13 15:57:03 | 1971ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-30 17:33:46 | 1056ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-27 15:06:52 | 1228ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-23 15:36:52 | 1303ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-22 15:49:13 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 22:12:52 | 705ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-17 13:33:24 | 3786ms | 2 NS 2 A 5 MX | 🔒 Secure |