opspl.dk is a .dk domain served by 2 nameservers (meilani.ns.cloudflare.com, zod.ns.cloudflare.com). It was registered on 22 August 2010 (WHOIS) and 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 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 |
|---|---|---|---|---|---|---|---|
| 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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.opspl.dk | ezw_Ogtxm4ZKDHK83LEtMNYj07NS4RuBJfK49hUOZd0 |
| TXT | _acme-challenge.opspl.dk | ux-VNCTj3O_VWsYPNGbynyNFl2FOXIwEeYDK3lB8HnE |
| Service / Owner | Type | Cert association |
|---|---|---|
| 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.ams.taur.dk | DANE-EE · SPKI · SHA-256 | A4FAF8967A74184D2E03636EBC65F204… |
| 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 | A4FAF8967A74184D2E03636EBC65F204… |
| SMTP _25._tcp.rt6.kasperkp.dk | DANE-EE · SPKI · SHA-256 | F4C1F1D03B8EE2BCB61B805C90A3D83B… |
| SMTP _25._tcp.rt6.kasperkp.dk | DANE-EE · SPKI · SHA-256 | A181B360B9631F6BE0F97A3F533E50C9… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415652860 |
| Primary NS (MNAME) | meilani.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 | 2010-08-22 |
| Expires | 2031-08-31 (1779d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 09:23:02 | 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 shown | 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 |