schurer.dk is a .dk domain served by 2 nameservers (candy.ns.cloudflare.com, clark.ns.cloudflare.com). It was registered on 22 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.223 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.schurer.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.1.223 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.128.28 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | mail.schurer.dk | 46.4.208.59 | pro02.azehosting.net | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:1df | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:801c | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.1.223,172.67.128.28 ech=AEX+DQBBxwAgACAmdfruNoRuWTzoiSZ8+3asFsQZjE+XdY90zWVN7y7MKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1df,2606:4700:3031::ac43:801c |
| TXT Record |
|---|
| t-verify=1d9f45c3963e83b4e85382d654abd937 |
| v=spf1 ip4:46.4.208.59 include:spf.tutanota.de include:spf.azehosting.net -all |
| Policy | Record (schurer.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:46.4.208.59 include:spf.tutanota.de include:spf.azehosting.net -all |
| Policy | Record (_dmarc.schurer.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20190723 |
| max_age | 86400s |
| Policy MX | mail.tutanota.de |
| www | 104.21.1.223 172.67.128.28 2606:4700:3030::6815:1df 2606:4700:3031::ac43:801c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| s1 | s1.domainkey.tutanota.de | RSA · ~2048 bit |
| s2 | s2.domainkey.tutanota.de | 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: 3/10 · 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 | 2406693985 |
| Primary NS (MNAME) | candy.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 | 2006-12-22 |
| Expires | 2026-12-31 (72d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 12:52:31 | 2110ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 12:23:48 | 2536ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 12:19:30 | 692ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 19:01:06 | 9508ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 19:06:24 | 1579ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 16:34:25 | 1020ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 16:56:35 | 986ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 11:42:22 shown | 788ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:38:51 | 995ms | 2 NS 2 A 1 MX | 🔓 Insecure |