aircat.dk is a .dk domain served by 2 nameservers (christina.ns.cloudflare.com, etienne.ns.cloudflare.com). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.196 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aircat-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.11.196 | 30s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.150.59 | 30s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:bc4 | 30s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:963b | 30s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.11.196,172.67.150.59 ech=AEX+DQBBvAAgACDCEGpSvI5yiNtcYtYwc/UiEXDsWjUYGeDBTaKhdh77dAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:bc4,2606:4700:3031::ac43:963b |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| apple-domain-verification=e3Ufh4svdBt2IHzm |
| facebook-domain-verification=acn8lt22gv6gqtk6y2lpbdaw1j1zmk |
| MS=ms78334645 |
| Sendinblue-code:a1d6bfd818a85b14be858d92dbb2a9b4 |
| v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.worldticket.net include:mail.zendesk.com include:spf-eu.emailsignatures365.com include:amazonses.com include:mail.fl3xx.com ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:10.70.203.176 ip4:169.55.60.132 ip4:159.253.136.147 ip4:37.58.72.194 ip4:70.34.35.220 include:_spf.simplero.com -all |
| Policy | Record (aircat.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.worldticket.net include:mail.zendesk.com include:spf-eu.emailsignatures365.com include:amazonses.com include:mail.fl3xx.com ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:10.70.203.176 ip4:169.55.60.132 ip4:159.253.136.147 ip4:37.58.72.194 ip4:70.34.35.220 include:_spf.simplero.com -all |
| Policy | Record (_dmarc.aircat.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:spf@aircat.dk; f0=1; pct=100; ri=86400 |
| www | 104.21.11.196 172.67.150.59 2606:4700:3031::6815:bc4 2606:4700:3031::ac43:963b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u11902043.wl044.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u11902043.wl044.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-aircat-dk._domainkey.aircat1.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-aircat-dk._domainkey.aircat1.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: 14/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.aircat.dk | BrFS7MeW84b_uL4nZvsv1Uk4-LPO6dFUpMqWTOd1WPQ |
| TXT | _acme-challenge.aircat.dk | Tu5P-D4ajFpF7PBf08JMqzPBaDhCj0toHqRSskzJCDI |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | delv transient; dig AD confirmed |
| Field | Value |
|---|---|
| Serial | 2417507755 |
| Primary NS (MNAME) | christina.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 | 1997-10-02 |
| Expires | 2026-12-31 (70d) |
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).
| Domain | Registrar |
|---|---|
| aircatpilotshop.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 15:26:44 | 2168ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-18 14:17:09 shown | 1671ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-17 12:45:25 | 2096ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-16 12:00:24 | 964ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-15 10:56:05 | 2483ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-24 07:45:11 | 1855ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 02:45:41 | 1487ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-30 12:15:50 | 2433ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-28 08:47:30 | 1479ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-16 16:33:12 | 5085ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-09 03:29:06 | 2328ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-23 19:27:30 | 9636ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-15 19:03:00 | 1410ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-27 03:33:50 | 1437ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 19:56:41 | 1220ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 19:02:44 | 2321ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-24 09:27:53 | 1151ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-20 11:15:48 | 898ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 12:59:25 | 1589ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 12:56:26 | 1618ms | 2 NS 2 A 1 MX | 🔒 Secure |