kronborgcup.dk is a .dk domain served by 2 nameservers (lia.ns.cloudflare.com, louis.ns.cloudflare.com). It was registered on 24 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 162.159.135.42 | 300s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | kronborgcup.hosting.kinsta.cloud → 162.159.134.42 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| ca3-ae953c82845e442ba7290ade3c78913c |
| google-site-verification=N9MLWEJPvi621XVGyxxGookVk0hhyeFu9EbT7ijVn0c |
| v=spf1 include:spf.simply.com -all |
| Policy | Record (kronborgcup.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.kronborgcup.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www CNAME | kronborgcup.dk (all on kronborgcup.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u20726396.wl147.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u20726396.wl147.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: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.kronborgcup.dk | kronborgcup.dk.kinstavalidation.app |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| 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 | 2405613364 |
| Primary NS (MNAME) | lia.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2008-04-24 |
| Expires | 2027-04-30 (191d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 09:19:07 | 625ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 13:21:57 | 831ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 21:47:12 | 1004ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 21:37:06 | 644ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-08 08:03:59 | 1117ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 08:29:22 | 777ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-23 03:34:23 | 1222ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 20:22:45 | 3476ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 11:20:49 shown | 2186ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 04:54:55 | 1084ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:29:29 | 1118ms | 2 NS 1 A 1 MX | 🔓 Insecure |