alfastsen.dk is a .dk domain served by 2 nameservers (karl.ns.cloudflare.com, rihana.ns.cloudflare.com). It was registered on 20 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.70.213 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by alfastsen-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 |
|---|---|---|---|---|---|---|---|
| 104.21.70.213 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.139.216 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 104.21.70.213 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:8bd8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:46d5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.70.213,172.67.139.216 ech=AEX+DQBBFAAgACASvhuD83qrl7ltzkLhfn02ly9tFbUssJeoutrqURGMeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8bd8,2606:4700:3036::6815:46d5 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (alfastsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.alfastsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:jan@alfastsen.dk; ruf=mailto:jan@alfastsen.dk; fo=1; |
| www | 104.21.70.213 172.67.139.216 2606:4700:3033::ac43:8bd8 2606:4700:3036::6815:46d5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network alfastsen.dk: 104.21.70.213 172.67.139.216 2606:4700:3033::ac43:8bd8 2606:4700:3036::6815:46d5 (AS13335) www.alfastsen.dk: 104.21.70.213 172.67.139.216 2606:4700:3033::ac43:8bd8 2606:4700:3036::6815:46d5 (AS13335) |
| 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 |
|---|---|---|
| selector1 | selector1-alfastsen-dk._domainkey.virtualclouddk.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-alfastsen-dk._domainkey.virtualclouddk.onmicrosoft.com | 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: 1/10 · 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 | 2412892739 |
| Primary NS (MNAME) | karl.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 | 2000-03-20 |
| Expires | 2029-03-31 (894d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 21:34:03 | 1097ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 17:15:50 | 1068ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 16:32:33 | 1068ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-16 10:42:17 | 1223ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-14 17:52:46 | 966ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-29 22:24:16 | 1321ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 17:23:54 | 1144ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-23 00:14:54 shown | 11246ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-06 11:20:21 | 2085ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-29 16:22:46 | 4120ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-06 00:05:37 | 1662ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-02 11:50:29 | 963ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 18:07:20 | 1393ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-20 00:54:03 | 2124ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 20:53:22 | 795ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 19:25:12 | 1130ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 12:48:39 | 900ms | 2 NS 2 A 1 MX | 🔒 Secure |