sandholdt.dk is a .dk domain served by 2 nameservers (jocelyn.ns.cloudflare.com, lakas.ns.cloudflare.com). It was registered on 25 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.72.106 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.181.170 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.72.106 |
| 🔶 Autoconfig | 104.21.72.106 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b5aa | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:486a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.72.106,172.67.181.170 ech=AEX+DQBBggAgACC4G2ICeNsUH88liYhoazXS2Hoc7sJtUzX1n60HeVoVZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b5aa,2606:4700:3034::6815:486a |
| TXT Record |
|---|
| apple-domain=DYsBF43XWqvL4fIn |
| v=spf1 include:spf.unoeuro.com include:icloud.com ~all |
| Policy | Record (sandholdt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.unoeuro.com include:icloud.com ~all |
| Policy | Record (_dmarc.sandholdt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:xsw98wlm@ag.dmarcian.com,mailto:dmarcrep@sandholdt.dk; ruf=mailto:xsw98wlm@fr.dmarcian.com,mailto:dmarcrep@sandholdt.dk; |
| www | 104.21.72.106 172.67.181.170 2606:4700:3030::ac43:b5aa 2606:4700:3034::6815:486a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sandholdt.dk: 104.21.72.106 172.67.181.170 2606:4700:3030::ac43:b5aa 2606:4700:3034::6815:486a (AS13335) www.sandholdt.dk: 104.21.72.106 172.67.181.170 2606:4700:3030::ac43:b5aa 2606:4700:3034::6815:486a (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 |
DNS lookups: 7/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sandholdt.dk | anfl3MU7ijkN7crKKAW8jo2jEZrk5c1u4EQ4naxCM5Y |
| TXT | _acme-challenge.sandholdt.dk | iXVSHGu7j0WTUYJ6ad-lCTezHD2W4zzOb9xOuMH-dQQ |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413039916 |
| Primary NS (MNAME) | jocelyn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domænehajen ApS |
| Registered | 2004-02-25 |
| Expires | 2029-02-28 (860d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 17:37:33 | 2977ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-03 21:48:52 | 573ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-22 15:25:56 | 2289ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-03 15:25:20 | 891ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-27 12:49:07 | 798ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-24 10:58:29 shown | 2818ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-21 02:08:01 | 11581ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-06 17:58:02 | 2008ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-04 14:34:09 | 2800ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-11 05:21:46 | 1415ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-30 23:10:57 | 1079ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-28 01:23:12 | 1034ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-26 20:45:05 | 2124ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-25 14:30:23 | 1161ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-22 04:08:10 | 739ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-21 05:34:58 | 1554ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-19 10:21:48 | 3301ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-18 07:14:12 | 1323ms | 2 NS 2 A 2 MX | 🔒 Secure |