sandertech.dk is a .dk domain served by 2 nameservers (tosana.ns.cloudflare.com, veda.ns.cloudflare.com). It was registered on 29 January 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.144 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.31.144 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.199 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | dk.mx1.mailanyone.net | 192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd |
mx41.electric.net mx11.electric.net |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | — | dk.mx2.mx25.net | 192.162.219.49 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b1c7 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:1f90 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.31.144,172.67.177.199 ech=AEX+DQBBLQAgACCrQdpb2a3PDJIlRena30f6iXhyGTgVnWbVR/N7meI8EgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b1c7,2606:4700:3036::6815:1f90 |
| TXT Record |
|---|
| v=spf1 ip4:80.63.58.28 include:spf.protection.outlook.com -all |
| Policy | Record (sandertech.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.63.58.28 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.sandertech.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; ruf=mailto:mf@spg.dk; fo=1; adkim=s; aspf=s; pct=100; |
| www | 104.21.31.144 172.67.177.199 2606:4700:3034::ac43:b1c7 2606:4700:3036::6815:1f90 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sandertech.dk: 104.21.31.144 172.67.177.199 2606:4700:3034::ac43:b1c7 2606:4700:3036::6815:1f90 (AS13335) www.sandertech.dk: 104.21.31.144 172.67.177.199 2606:4700:3034::ac43:b1c7 2606:4700:3036::6815:1f90 (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406726004 |
| Primary NS (MNAME) | tosana.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 | 2014-01-29 |
| Expires | 2027-01-31 (102d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 20:47:22 | 656ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-11 18:04:31 | 1332ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-08 07:45:59 | 754ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 06:21:03 | 1034ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-26 15:11:56 | 9636ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-18 22:56:18 | 7821ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-14 08:22:00 | 5416ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 17:58:12 | 3079ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 19:34:55 shown | 2864ms | 2 NS 2 A 2 MX | 🔓 Insecure |