homeroom.dk is a .dk domain served by 6 nameservers (dns1.zaccodigitaltrustlabs.com, dns2.zaccodigitaltrustlabs.net, dns3.zaccodigitaltrustlabs.se and 3 more). It was registered on 17 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.208.174.140 is hosted by Ellos AB (AS199215) in Sweden. Mail is handled by homeroom-dk.mail.eo.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 91.208.174.140 | 300s | — | AS199215 | Ellos AB | 91.208.174.0/24 | 🇸🇪 Sweden | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| TXT Record |
|---|
| facebook-domain-verification=ni1jco6bbaea1g3d1uh69zsjwdwu55 |
| FcAAJTfHlvXl4OkcbJ/4IQ6JzIUhLScfO8tB9b416vH9hFAkmjhTLSfjNZqui0B34rBupH862hblA19YFEg+/A== |
| google-site-verification=IRVqYnRoqzyiEBOhDxdYfw_frS54kX9lS_kjgdSmJ8Y |
| MS=ms20297261 |
| pinterest-site-verification=bae0fbb8db524c230587aa2f00fa6ffb |
| v=spf1 ip4:91.208.174.15 ip4:194.17.7.135 ip4:194.17.7.157 ip4:193.14.167.52 include:spf.protection.outlook.com include:mailanyone.net include:mail.zendesk.com -all |
| Policy | Record (homeroom.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:91.208.174.15 ip4:194.17.7.135 ip4:194.17.7.157 ip4:193.14.167.52 include:spf.protection.outlook.com include:mailanyone.net include:mail.zendesk.com -all |
| Policy | Record (_dmarc.homeroom.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | amazon.com |
| 0 | issue | digicert.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog |
| 0 | issuewild | amazon.com |
| 0 | issuewild | letsencrypt.org |
| www CNAME | d2u2cit7chkz9e.cloudfront.net (all on cloudfront.net) |
| www vs bare domain | Different networks homeroom.dk: 91.208.174.140 (AS199215) (all like this)www.homeroom.dk: 18.173.5.108 18.173.5.31 18.173.5.36 18.173.5.74 (AS16509) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-homeroom-dk._domainkey.ellosgroup.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-homeroom-dk._domainkey.ellosgroup.onmicrosoft.com | 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: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.homeroom.dk | homeroom-dk.eg-config.net |
| 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 | 2022010253 |
| Primary NS (MNAME) | dns1.zaccodigitaltrustlabs.com |
| Responsible (RNAME) | dns@dnsmadeeasy.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2018-01-17 |
| Expires | 2027-01-31 (102d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 04:01:03 shown | 1955ms | 6 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 23:05:00 | 13565ms | 6 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:12:33 | 2047ms | 6 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:51:41 | 3248ms | 6 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 19:30:09 | 2121ms | 6 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:20:57 | 254ms | 0 NS 0 A 0 MX | ❓ Unknown |