markings.dk is a .dk domain served by 2 nameservers (meiling.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was registered on 30 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by markings-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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.7.164 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.136.246 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 104.155.87.96 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:88f6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:7a4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.164,172.67.136.246 ech=AEX+DQBBBgAgACCJRJ9eGsJUzMwPOw5gj/T+IhUGmkMfTYCrsgJBTOPXagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:88f6,2606:4700:3035::6815:7a4 |
| TXT Record |
|---|
| MS=4288F60515BDB289CA79421DD2670124B70D4159 |
| MS=ms29086182 |
| v=spf1 include:spf.webcrm.com include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (markings.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.webcrm.com include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (_dmarc.markings.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=s; rua=mailto:watchdog2@watchdog.kevlarr.io; ruf=mailto:watchdog2@watchdog.kevlarr.io; rf=afrf; fo=0; ri=86400 |
| www | 188.114.96.1 188.114.97.1 2606:4700:3034::ac43:88f6 2606:4700:3035::6815:7a4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network markings.dk: 104.21.7.164 172.67.136.246 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.markings.dk: 188.114.96.1 188.114.97.1 2606:4700:3034::ac43:88f6 2606:4700:3035::6815:7a4 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-markings-dk._domainkey.markingsdenmark.onmicrosoft.com | 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: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412418231 |
| Primary NS (MNAME) | meiling.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2008-01-30 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:01:42 | 1135ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-12 00:15:52 | 3737ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 13:19:40 | 548ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:23:19 | 1108ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 02:14:43 | 884ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 12:52:24 | 1675ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 03:42:48 | 903ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 03:04:02 | 8808ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-17 21:50:25 shown | 7201ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 06:46:45 | 2265ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-08 20:53:52 | 17142ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-25 05:44:22 | 1774ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-24 12:42:55 | 1154ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 04:47:01 | 1094ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 09:16:23 | 1262ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 23:05:47 | 1023ms | 2 NS 2 A 1 MX | 🔒 Secure |