sydhavsvarme.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 25 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.13 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by dff-edb-dk.mx1-dk.mailanyone.net, dff-edb-dk.mx3-dk.mailanyone.net. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 20.50.64.13 | 3600s | — | AS8075 | Microsoft Corporation | 20.48.0.0/12 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | dff-edb-dk.mx1-dk.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 | 3600s | dff-edb-dk.mx3-dk.mailanyone.net | 192.162.219.255 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| _globalsign-domain-verification=1F6bmiZhl5U4ONjistkjBHAhePJmS6yO-sl4oZaYg6 |
| _globalsign-domain-verification=KBXYtoYLC5AlgcY05os6XUiBvpm7gYWNrWJ3eD4Rwl |
| MS=ms42414054 |
| v=spf1 a mx include:spf.mailanyone.net -all |
| vpe=86220799 |
| Policy | Record (sydhavsvarme.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf.mailanyone.net -all |
| www | 13.107.213.53 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-sydhavsvarme-dk._domainkey.sakskoebingfjernvarme.w-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-sydhavsvarme-dk._domainkey.sakskoebingfjernvarme.w-v1.dkim.mail.microsoft | 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: 3/10 · 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 | 2026080501 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2025-06-25 |
| Expires | 2027-06-24 (241d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 14:27:52 | 404ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 18:12:19 | 1462ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 18:08:23 | 3587ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 17:55:45 | 1923ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 15:54:16 | 1000ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 15:10:30 | 608ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:34:36 | 2890ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 05:19:16 | 783ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 12:41:20 | 1332ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 20:00:50 | 2764ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-06 04:51:39 shown | 1212ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 11:25:44 | 3391ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 23:22:36 | 1547ms | 2 NS 1 A 2 MX | 🔓 Insecure |