alco.dk is a .dk domain served by 2 nameservers (ns1.alco.dk, ns2.alco.dk). It was registered on 19 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.103.74 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by alco-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.alco.dk | — | — | — |
| ns2.alco.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 135.181.103.74 | — | static.74.103.181.135.clients.your-server.de | AS24940 | Hetzner Online GmbH | 135.181.0.0/16 | 🇫🇮 Finland | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f9:c010:e2c3::1 | — | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| apple-domain-verification=lPFEJWPXXqFuyj2U |
| google-site-verification=SgG9fS8RdYUdTFZiD0TYDj_dsmNgp2iymIYvrFJsnzg |
| ms-domain-verification=b165759f-cb99-41b0-b6ad-d86580d1fee0 |
| MS=ms11817798 |
| twilio-domain-verification=4e9a6bd912da44c368f06e59c12dc61a |
| v=spf1 ip4:94.237.95.233 ipv4: 95.216.208.79 ipv4: 65.21.55.96 ip6:2a01:4f9:c012:d8e4::1 include:spf.protection.outlook.com -all |
| Policy | Record (alco.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:94.237.95.233 ipv4: 95.216.208.79 ipv4: 65.21.55.96 ip6:2a01:4f9:c012:d8e4::1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.alco.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:dmarc@pbox.dk; sp=none; aspf=r; |
| www | 77.42.23.113 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-alco-dk._domainkey.alcocompanyaps.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-alco-dk._domainkey.alcocompanyaps.onmicrosoft.com | RSA · ~1024 bit below 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: 1/10 · policy: -all
| 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 | 2026050301 |
| Primary NS (MNAME) | ns1.alco.dk |
| Responsible (RNAME) | hostmaster@alco.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-03-19 |
| Expires | 2027-07-31 (286d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:17:49 | 2402ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 09:34:30 | 2473ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 00:42:40 | 1511ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 05:27:23 | 1054ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 12:54:15 | 10689ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 14:30:57 | 9871ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:40:44 | 1914ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 12:29:24 | 1113ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 11:33:21 | 2144ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 04:30:05 | 1083ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 12:52:41 shown | 1578ms | 2 NS 1 A 1 MX | 🔓 Insecure |