symbiotisk.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 3 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 162.159.135.42 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.90.239.136 |
| 🔶 Autoconfig | 157.90.239.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:7::a29f:862a | 3600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:7::a29f:872a | 3600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| TXT Record |
|---|
| ca3-a18acb17e6a84a018d6865814bca69eb |
| v=spf1 include:_spf.google.com ip4:157.90.239.136 include:sendgrid.net include:relay.mailchannels.net include:send.heysender.com ~all |
| Policy | Record (symbiotisk.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ip4:157.90.239.136 include:sendgrid.net include:relay.mailchannels.net include:send.heysender.com ~all |
| Policy | Record (_dmarc.symbiotisk.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@symbiotisk.dk; |
| www | 162.159.135.42 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network symbiotisk.dk: 162.159.135.42 2606:4700:7::a29f:862a 2606:4700:7::a29f:872a (AS13335) www.symbiotisk.dk: 162.159.135.42 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| BIMI | v=BIMI1;l=https://symbiotisk.dk/logo-tiny-ps.svg;a= |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u6728867.wl118.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u6728867.wl118.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: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.symbiotisk.dk | symbiotisk.dk.kinstavalidation.app |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2009-04-03 |
| Expires | 2027-04-30 (192d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 07:55:57 shown | 1221ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-30 19:07:17 | 657ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-25 08:12:01 | 756ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 22:22:20 | 4112ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 07:31:14 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:46:19 | 1025ms | 4 NS 1 A 5 MX | 🔒 Secure |