jamboxedu.dk is a .dk domain served by 2 nameservers (george.ns.cloudflare.com, robin.ns.cloudflare.com). It was registered on 28 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 23 October 2026, when it moved from direct registration at Punktum to Simply.com A/S. Its website address 104.21.3.119 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.3.119 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.172 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.103.108 94.231.106.20 |
mx.simply.com mx.simply.com |
AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.3.119 |
| 🔶 Autoconfig | 104.21.3.119 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:377 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:82ac | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.3.119,172.67.130.172 ech=AEX+DQBB8gAgACCzX/gEOoVe9LRdiR/0VRi3mIa36zlTrF60ODD/pLIETAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:377,2606:4700:3033::ac43:82ac |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (jamboxedu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www | 104.21.3.119 172.67.130.172 2606:4700:3030::6815:377 2606:4700:3033::ac43:82ac (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network jamboxedu.dk: 104.21.3.119 172.67.130.172 2606:4700:3030::6815:377 2606:4700:3033::ac43:82ac (AS13335) www.jamboxedu.dk: 104.21.3.119 172.67.130.172 2606:4700:3030::6815:377 2606:4700:3033::ac43:82ac (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2418117184 |
| Primary NS (MNAME) | george.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 | 2026-03-28 |
| Expires | 2027-03-27 (154d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 04:33:22 shown | 2277ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 10:05:48 | 417ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 08:07:47 | 627ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 13:42:02 | 671ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 00:02:28 | 589ms | 3 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 12:56:14 | 2080ms | 3 NS 1 A 1 MX | 🔒 Secure |