derda.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 30 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.215.232.130 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mxa.mailgun.org, mxb.mailgun.org. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 77.215.232.130 | 3600s | — | AS9158 | Telenor A/S | 77.212.0.0/14 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mxa.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 3600s | mxb.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| TXT Record |
|---|
| v=spf1 include:mailgun.org ~all |
| Policy | Record (derda.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| 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 |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026093000 |
| 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 | 2017-11-30 |
| Expires | 2027-11-30 (402d) |
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 |
|---|---|---|---|
| 2026-10-12 18:44:41 | 479ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 07:24:25 shown | 1631ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 09:03:17 | 823ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 03:07:03 | 769ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 14:31:35 | 1167ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 05:55:14 | 480ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 02:05:54 | 632ms | 4 NS 1 A 2 MX | 🔒 Secure |