7u.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.214.11 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.wsy.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 46.36.214.11 | 60s | host49.onlinehost.dk | AS48854 | team.blue Denmark A/S | 46.36.208.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mail.wsy.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | farm1.onlinehost.dk → 88.99.95.15 |
| 🔶 Autoconfig | 7u.dk → 46.36.214.11 |
| TXT Record |
|---|
| v=spf1 include:wsy.dk -all |
| Policy | Record (7u.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:wsy.dk -all |
| Policy | Record (_dmarc.7u.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:dmarc.rua@wsy.dk |
| www CNAME | 7u.dk (all on 7u.dk) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u3473767.wl018.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u3473767.wl018.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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092201 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 07:13:10 shown | 523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 05:13:43 | 713ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 14:10:05 | 1264ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 18:36:21 | 1269ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 15:59:08 | 777ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:57:02 | 1349ms | 2 NS 1 A 1 MX | 🔒 Secure |