excelinstituttet.dk is a .dk domain served by 2 nameservers (dale.ns.cloudflare.com, emily.ns.cloudflare.com). It was registered on 11 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.1 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.domeneshop.no. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dale.ns.cloudflare.com | — | — | — |
| emily.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.114.96.1 | — | — | AS13335 | Cloudflare, Inc. | 188.114.96.0/22 | — | — |
| 188.114.97.1 | — | — | AS13335 | Cloudflare, Inc. | 188.114.96.0/22 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | — | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::1 | — | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.70.30,172.67.218.207 ech=AEX+DQBBDgAgACDzCpMlW2zuKCEyF31MigmBsD2TewLMErZT4gaCsNerPwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dacf,2606:4700:3037::6815:461e |
| Policy | Record (_dmarc.excelinstituttet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| www | 104.21.70.30 172.67.218.207 2606:4700:3030::6815:461e 2606:4700:3031::ac43:dacf (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network excelinstituttet.dk: 104.21.70.30 172.67.218.207 2606:4700:3030::6815:461e 2606:4700:3031::ac43:dacf (AS13335) www.excelinstituttet.dk: 104.21.70.30 172.67.218.207 2606:4700:3030::6815:461e 2606:4700:3031::ac43:dacf (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u26084331.wl082.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u26084331.wl082.sendgrid.net | 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.
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.domeneshop.no | DANE-EE · SPKI · SHA-256 | 7FF8B87BB269715FEF08A0F4F0033D7A… |
| 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 | 2405583836 |
| Primary NS (MNAME) | dale.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2018-12-11 |
| Expires | 2026-12-31 (69d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 01:48:26 | 2581ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 02:44:24 | 3342ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 15:50:18 | 846ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 15:15:14 | 774ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 13:17:59 | 4012ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-07 12:43:18 | 7146ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 17:02:08 | 1053ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 06:08:18 | 1994ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 09:45:41 | 1048ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:08:46 shown | 1206ms | 2 NS 2 A 1 MX | 🔓 Insecure |