tobiasnordahl.dk is a .dk domain served by 2 nameservers (kate.ns.cloudflare.com, terry.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.141 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.tobiasnordahl.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.50.141 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.206.205 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.tobiasnordahl.dk | 2a04:52c0:108:c9a4::1 5.255.103.58 |
mail.exer.dk mail.exer.dk |
AS60404 The Infrastructure Group B.V. AS60404 The Infrastructure Group B.V. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:328d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:cecd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.50.141,172.67.206.205 ech=AEX+DQBBrgAgACCbYZLF5tZq6y0AYwDst7V0zRYJiyOie+26Te4ltI1yGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:328d,2606:4700:3031::ac43:cecd |
| TXT Record |
|---|
| cuttly-verification-site-a4fe147871a3a50faf6588f719e8f56017e88c67-2d9f45c63a |
| v=spf1 +a +mx include:_spf.exer.dk include:_spf.google.com -all |
| Policy | Record (tobiasnordahl.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx include:_spf.exer.dk include:_spf.google.com -all |
| Policy | Record (_dmarc.tobiasnordahl.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:noreply-dmarc@system.exer.dk |
| www | 104.21.50.141 172.67.206.205 2606:4700:3031::6815:328d 2606:4700:3031::ac43:cecd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network tobiasnordahl.dk: 104.21.50.141 172.67.206.205 2606:4700:3031::6815:328d 2606:4700:3031::ac43:cecd (AS13335) www.tobiasnordahl.dk: 104.21.50.141 172.67.206.205 2606:4700:3031::6815:328d 2606:4700:3031::ac43:cecd (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416416045 |
| Primary NS (MNAME) | kate.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 08:37:24 shown | 3722ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 08:34:46 | 694ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 09:14:01 | 642ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 04:42:48 | 1607ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 04:34:07 | 1774ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 10:26:47 | 1255ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-05 23:28:53 | 1367ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-02 08:37:00 | 964ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 14:10:34 | 1043ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:59:10 | 879ms | 2 NS 2 A 1 MX | 🔓 Insecure |