rentius.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 8 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.com. 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 600s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (rentius.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (_dmarc.rentius.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:re+f80a53248de3@inbound.dmarcdigests.com; sp=none; |
| www | 94.231.103.100 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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: 1/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 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 | 2001-08-08 |
| Expires | 2027-09-30 (345d) |
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).
| Domain | Registrar |
|---|---|
| compendium.dk | Simply.com A/S |
| cphtrends.dk | Simply.com A/S |
| peterronild.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 17:38:37 shown | 2266ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 13:04:22 | 803ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 11:01:21 | 509ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 17:58:08 | 1965ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 14:15:03 | 972ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-01 15:51:08 | 1833ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-28 10:21:41 | 18822ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-25 06:22:35 | 1888ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 19:42:05 | 1019ms | 4 NS 1 A 2 MX | 🔒 Secure |