alsik.dk is a .dk domain served by 2 nameservers (journey.ns.cloudflare.com, randy.ns.cloudflare.com). It was registered on 23 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.8.139 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.26.8.139 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.9.139 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.71.3 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:88b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| 2606:4700:20::681a:98b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| 2606:4700:20::ac43:4703 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.26.8.139,104.26.9.139,172.67.71.3 ipv6hint=2606:4700:20::681a:88b,2606:4700:20::681a:98b,2606:4700:20::ac43:4703 |
| TXT Record |
|---|
| 2uisbf6n4dbun1f6orga97np99 |
| google-site-verification=IGwpSrl1AaoSCegroAPT3UxEgr99qxHjBVVjOFslUO8 |
| MS=ms61868058 |
| v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (alsik.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.alsik.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:vc7eg1e0@ag.eu.dmarcian.com; |
| www | 104.26.8.139 104.26.9.139 172.67.71.3 2606:4700:20::681a:88b 2606:4700:20::681a:98b 2606:4700:20::ac43:4703 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network alsik.dk: 104.26.8.139 104.26.9.139 172.67.71.3 2606:4700:20::681a:88b (AS13335) www.alsik.dk: 104.26.8.139 104.26.9.139 172.67.71.3 2606:4700:20::681a:88b (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u2081681.wl182.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u2081681.wl182.sendgrid.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: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.alsik.dk | bMGA9FXupaVCp4x__J2MUXKuwZkF_qPI8nGiakkMOnw |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | 2416578707 |
| Primary NS (MNAME) | journey.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 | 2015-10-23 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:22:17 shown | 1756ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-10-05 07:16:53 | 1077ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-10-04 07:10:33 | 996ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-26 04:40:24 | 964ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-18 06:48:32 | 1575ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-11 04:39:08 | 2503ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-26 17:39:11 | 1061ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-24 15:57:00 | 1715ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-07 20:15:28 | 1897ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-07-14 16:55:15 | 1876ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-06-20 07:54:07 | 1149ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:41:53 | 1094ms | 2 NS 3 A 3 MX | 🔓 Insecure |