opspl.dk is a .dk domain served by 2 nameservers (meilani.ns.cloudflare.com, zod.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.198.219.102 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by n1.taur.dk, ams.taur.dk and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 217.198.219.102 | 300s | n1.taur.dk | AS39642 | Sinal A/S | 217.198.208.0/20 | 🇩🇰 Denmark | Silkeborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | n1.taur.dk | 217.198.219.102 2a00:1f98:1001:6e31:2e74:6175:722e:646b |
n1.taur.dk — |
AS39642 Sinal A/S AS39642 Sinal A/S |
| 20 | 300s | ams.taur.dk | 194.127.178.249 2a0a:8dc0:10ef::a |
n2.taur.dk n2.taur.dk |
AS62240 Clouvider Limited AS62240 Clouvider Limited |
| 30 | 300s | rt6.kasperkp.dk | 108.174.57.150 | ny.taur.dk | AS36352 HostPapa |
| 40 | 300s | rdns1.kasperkp.dk | 217.198.219.101 2a00:1f98:1001:6666::1 |
n3.taur.dk — |
AS39642 Sinal A/S AS39642 Sinal A/S |
| TXT Record |
|---|
| v=spf1 a mx include:taur.dk -all |
| Policy | Record (opspl.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:taur.dk -all |
| Policy | Record (_dmarc.opspl.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:kasoer@kasperkp.dk; |
| www CNAME | opspl.dk (all on opspl.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | — | RSA · ~1024 bit below 2048 bit |
| s2 | — | 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: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.ams.taur.dk | DANE-EE · SPKI · SHA-256 | A4FAF8967A74184D2E03636EBC65F204… |
| SMTP _25._tcp.ams.taur.dk | DANE-EE · SPKI · SHA-256 | 3A5AA205567EF48D08105563AC39C489… |
| SMTP _25._tcp.ams.taur.dk | DANE-EE · SPKI · SHA-256 | 8AE7A0F49C487133E3F0C9D50E20216C… |
| SMTP _25._tcp.n1.taur.dk | DANE-EE · SPKI · SHA-256 | A4FAF8967A74184D2E03636EBC65F204… |
| SMTP _25._tcp.n1.taur.dk | DANE-EE · SPKI · SHA-256 | 9C1FD872DF1CCFAB9735ED7112DB684F… |
| SMTP _25._tcp.n1.taur.dk | DANE-EE · SPKI · SHA-256 | 0F0867610A9F853ACFD8D81CA74638F5… |
| SMTP _25._tcp.rdns1.kasperkp.dk | DANE-EE · SPKI · SHA-256 | A4FAF8967A74184D2E03636EBC65F204… |
| SMTP _25._tcp.rdns1.kasperkp.dk | DANE-EE · SPKI · SHA-256 | 91B6382FDFB22D69087188095A0C6623… |
| SMTP _25._tcp.rdns1.kasperkp.dk | DANE-EE · SPKI · SHA-256 | E739AA3E13E0C5F4A6F21B9EE0FE20E8… |
| SMTP _25._tcp.rt6.kasperkp.dk | DANE-EE · SPKI · SHA-256 | A181B360B9631F6BE0F97A3F533E50C9… |
| SMTP _25._tcp.rt6.kasperkp.dk | DANE-EE · SPKI · SHA-256 | A4FAF8967A74184D2E03636EBC65F204… |
| SMTP _25._tcp.rt6.kasperkp.dk | DANE-EE · SPKI · SHA-256 | F4C1F1D03B8EE2BCB61B805C90A3D83B… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416435657 |
| Primary NS (MNAME) | meilani.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 09:23:02 shown | 893ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 09:09:50 | 1914ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 08:25:32 | 1354ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 07:57:35 | 1775ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 07:34:10 | 1852ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-08 21:47:24 | 1446ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-04 00:48:06 | 1037ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-30 16:54:37 | 3860ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 05:39:21 | 1110ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 09:37:56 | 1967ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-01 02:07:32 | 1806ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 05:36:30 | 1667ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 22:44:02 | 7334ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 05:16:52 | 1584ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 05:16:49 | 3564ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 14:10:59 | 1439ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 21:59:29 | 1627ms | 2 NS 1 A 4 MX | 🔒 Secure |