webfirewall.dk is a .dk domain served by 2 nameservers (dina.ns.cloudflare.com, duke.ns.cloudflare.com). It was registered on 8 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.148 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by spam.micusto.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.8.148 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.137 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | spam.micusto.com | 94.237.28.65 | spam.micusto.com | AS202053 UpCloud Ltd |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.148,172.67.130.137 ech=AEX+DQBB7QAgACDVIJ1+nNReGjcZJINIWWe6zpM7KnJbwIgwrOGjUhlYDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| TXT Record |
|---|
| google-site-verification=jn4jnTuj-KyVv6w36eWm3oOkFEIPr95zijv7Cv1dJ7I |
| v=spf1 include:_spf.dcmediahosting.com include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net -all |
| Policy | Record (webfirewall.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.dcmediahosting.com include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net -all |
| Policy | Record (_dmarc.webfirewall.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:ena6hkn9cnph@ag.webfirewall.dk; ruf=mailto:ena6hkn9cnph@fr.webfirewall.dk; |
| www | 104.21.8.148 172.67.130.137 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network webfirewall.dk: 104.21.8.148 172.67.130.137 (AS13335) www.webfirewall.dk: 104.21.8.148 172.67.130.137 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417418156 |
| Primary NS (MNAME) | dina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Netkant ApS |
| Registered | 2018-05-08 |
| Expires | 2027-05-31 (224d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 01:41:41 shown | 1095ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-29 17:05:41 | 615ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-22 13:28:39 | 852ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-19 09:33:48 | 1747ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-15 16:46:49 | 790ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-09 03:12:36 | 1319ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 21:37:23 | 667ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 02:12:29 | 930ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-07 01:23:15 | 973ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-17 21:28:45 | 1575ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-12 03:23:54 | 1122ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-08 16:24:25 | 1271ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 01:35:11 | 682ms | 2 NS 2 A 1 MX | 🔒 Secure |