merkning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.60.89.57 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.merkning.dk, mx1.forwardemail.net and 1 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 |
|---|---|---|---|---|---|---|---|
| 87.60.89.57 | 43200s | 87-60-89-57-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.60.0.0/16 | 🇩🇰 Denmark | Kokkedal |
| TXT Record |
|---|
| forward-email-site-verification=p18Yfdc2xH |
| v=spf1 +a +mx +ip4:87.60.114.150 ~all |
| Policy | Record (merkning.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:87.60.114.150 ~all |
| Policy | Record (_dmarc.merkning.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| www CNAME | merkning.dk (all on merkning.dk) → 87.60.89.57 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.merkning.dk | V98De7ZWLxqk4i0lJvCzJje0SAUlVde-lUrz8UI6I24 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.forwardemail.net | DANE-EE · SPKI · SHA-256 | 321F694EAD3A2E733D857FD7E79D811F… |
| SMTP _25._tcp.mx1.forwardemail.net | DANE-EE · SPKI · SHA-256 | 5E81DA1AF16DF20B13E667AD6D9C2B65… |
| SMTP _25._tcp.mx2.forwardemail.net | DANE-EE · SPKI · SHA-256 | 321F694EAD3A2E733D857FD7E79D811F… |
| SMTP _25._tcp.mx2.forwardemail.net | DANE-EE · SPKI · SHA-256 | 5E81DA1AF16DF20B13E667AD6D9C2B65… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082702 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2024-01-17 |
| Expires | 2027-01-16 (88d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:13:45 shown | 778ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 12:18:56 | 2329ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-30 23:01:00 | 756ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-30 21:32:40 | 755ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 20:45:38 | 1109ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 23:35:25 | 831ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-21 09:21:46 | 628ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 13:00:44 | 942ms | 2 NS 1 A 3 MX | 🔒 Secure |