tty100.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.
| TXT Record |
|---|
| v=spf1 include:aspmx.googlemail.com ~all |
| Policy | Record (tty100.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:aspmx.googlemail.com ~all |
| Policy | Record (_dmarc.tty100.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:rsvrfgqm@ag.dmarcian.com; ruf=mailto:rsvrfgqm@fr.dmarcian.com; adkim=s; aspf=s; rf=afrf |
| www | NXDOMAIN |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2016013010 |
| Primary NS (MNAME) | ns1.he.net |
| Responsible (RNAME) | hostmaster@he.net |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |