symmetry.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.105.79.136 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 178.105.79.136 | 3600s | static.136.79.105.178.clients.your-server.de | AS24940 | Hetzner Online GmbH | 178.104.0.0/15 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.115 |
| 🔶 Autoconfig | 94.231.103.115 |
| TXT Record |
|---|
| google-site-verification=VRBiQQGtDVeq45uO5AYQ8YC7iaWipc8QHzTOsi1sYYw |
| v=spf1 a mx include:_spf.mlsend.com ?all |
| Policy | Record (symmetry.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx include:_spf.mlsend.com ?all |
| www | 178.105.79.136 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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.u29932639.wl140.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u29932639.wl140.sendgrid.net | 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: 3/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092301 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2011-03-03 |
| Expires | 2027-03-31 (157d) |
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 |
|---|---|---|---|
| 2026-10-22 12:15:52 | 893ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-08 06:00:43 | 707ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-26 17:19:43 | 808ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-24 02:43:32 shown | 1455ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-26 12:41:21 | 2282ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-25 08:06:12 | 2718ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-19 15:49:54 | 3152ms | 2 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-18 01:56:16 | 923ms | 2 NS 1 A 7 MX | ❓ Unknown |