tajmer.dk is a .dk domain served by 2 nameservers (adi.ns.cloudflare.com, rudy.ns.cloudflare.com). It was registered on 4 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.224 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tajmer-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 |
|---|---|---|---|---|---|---|---|
| 104.21.13.224 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.133.80 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.98.16.95 |
| 🔶 Autoconfig | 172.67.133.80 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:8550 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:de0 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.13.224,172.67.133.80 ech=AEX+DQBBvgAgACBJni85WGHe97uPSIHOOQhUxAzLI4MySMevNjtzivHyJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8550,2606:4700:3037::6815:de0 |
| TXT Record |
|---|
| ca3-3cf1a4ab11fd4a8ab17dc39c5cfa37bf |
| v=spf1 include:spf.ubivox.com include:_spf.smtp.com include:spf.protection.outlook.com -all |
| Policy | Record (tajmer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.ubivox.com include:_spf.smtp.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.tajmer.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:hello@mikkeltschentscher.dk |
| www | 104.21.13.224 172.67.133.80 2606:4700:3030::6815:de0 2606:4700:3034::ac43:8550 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 |
|---|---|---|
| s1 | s1.domainkey.u11069754.wl005.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u11069754.wl005.sendgrid.net | RSA · ~1024 bit below 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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406114510 |
| Primary NS (MNAME) | adi.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1997-04-04 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:31:05 | 1769ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 07:32:17 | 1406ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 07:17:09 | 1379ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 07:12:37 | 2476ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 06:19:40 | 1359ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-09 20:56:34 | 1871ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 02:55:48 | 1401ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-03 10:55:11 | 1330ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-22 00:23:08 | 9993ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 06:43:41 | 1916ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 13:13:44 | 1075ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:45:44 shown | 1177ms | 2 NS 2 A 1 MX | 🔓 Insecure |