altservice.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 30 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.181 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ispc2.dotserv.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.57.181 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.165.71 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 300s | ispc2.dotserv.com | 178.20.216.12 | ispc2.dotserv.com | AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.altservice.dk → 178.20.216.12 |
| 🔶 Autoconfig | 172.67.165.71 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:a547 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:39b5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.57.181,172.67.165.71 ech=AEX+DQBB8gAgACCIZ8uQXidaAaC48rHXa9UK3cXHkpyHTn9GHoptCod4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a547,2606:4700:3034::6815:39b5 |
| TXT Record |
|---|
| v=spf1 a include:spf.minisite.dk include:_spf.dotserv.com ip4:217.195.176.165 include:secure.skvizbiz.dk ~all |
| Policy | Record (altservice.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.minisite.dk include:_spf.dotserv.com ip4:217.195.176.165 include:secure.skvizbiz.dk ~all |
| Policy | Record (_dmarc.altservice.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 104.21.57.181 172.67.165.71 2606:4700:3030::ac43:a547 2606:4700:3034::6815:39b5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network altservice.dk: 104.21.57.181 172.67.165.71 2606:4700:3030::ac43:a547 2606:4700:3034::6815:39b5 (AS13335) www.altservice.dk: 104.21.57.181 172.67.165.71 2606:4700:3030::ac43:a547 2606:4700:3034::6815:39b5 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u46528827.wl078.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u46528827.wl078.sendgrid.net | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 6/10 · policy: ~all
No problems found| 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 | 2415768105 |
| Primary NS (MNAME) | gabriella.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-05-30 |
| Expires | 2027-06-30 (256d) |
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 |
|---|---|
| heldorf.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:50:15 shown | 1354ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 05:40:34 | 896ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 05:22:05 | 976ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 12:24:44 | 928ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 10:22:39 | 2107ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 08:20:49 | 903ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 20:15:06 | 879ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 08:46:57 | 10744ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-14 11:05:45 | 1061ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 13:45:28 | 4545ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 08:01:59 | 923ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 01:48:17 | 1647ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:47:28 | 914ms | 2 NS 2 A 1 MX | 🔓 Insecure |