comprensivo.dk is a .dk domain served by 2 nameservers (hera.ns.cloudflare.com, major.ns.cloudflare.com). It was registered on 24 July 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.2 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.77.2 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.202.193 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | comprensivo.dk → 94.231.109.93 |
| 🔶 Autoconfig | comprensivo.dk → 94.231.109.93 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:cac1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:4d02 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.77.2,172.67.202.193 ech=AEX+DQBBBwAgACC9I511Axxiqwb6AjiZ7KjCMhCOkXINxXTy9fWB3iUTHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cac1,2606:4700:3034::6815:4d02 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=BHMohSXUGt-SqVsSRmTwZIAniPzaraCrS_ioy-ycF9U |
| MS=ms89119267 |
| v=spf1 mx a include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.google.com ?all |
| Policy | Record (comprensivo.dk) |
|---|---|
| ?all (neutral) | v=spf1 mx a include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.google.com ?all |
| Policy | Record (_dmarc.comprensivo.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:913f537e5cd6344@rep.dmarcanalyzer.com; ruf=mailto:913f537e5cd6344@for.dmarcanalyzer.com; sp=none; fo=1:d:s; |
| www | 104.21.77.2 172.67.202.193 2606:4700:3031::ac43:cac1 2606:4700:3034::6815:4d02 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network comprensivo.dk: 104.21.77.2 172.67.202.193 2606:4700:3031::ac43:cac1 2606:4700:3034::6815:4d02 (AS13335) www.comprensivo.dk: 104.21.77.2 172.67.202.193 2606:4700:3031::ac43:cac1 2606:4700:3034::6815:4d02 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | 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.
DNS lookups: 5/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.comprensivo.dk | comprensivo.dk |
| 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 | 2415764432 |
| Primary NS (MNAME) | hera.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 | 2012-07-24 |
| Expires | 2027-07-31 (281d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 12:50:07 | 888ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-09-25 11:48:26 shown | 946ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-08-08 02:19:17 | 10016ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-07-28 11:42:02 | 4237ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-06-16 21:55:28 | 805ms | 2 NS 2 A 7 MX | 🔓 Insecure |