grenkeonline.dk is a .dk domain served by 3 nameservers (ns1.weblease-europe.com, ns3.weblease-europe.com, ns4.weblease-europe.com). It was registered on 29 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail2.grenkeleasing.com, mail3.grenkeleasing.com and 2 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 40 | 7200s | mail2.grenkeleasing.com | 217.25.131.177 | mail2.grenkeleasing.com | AS21234 GRENKE Service GmbH |
| 40 | 7200s | mail3.grenkeleasing.com | 217.25.130.178 | mail3.grenkeleasing.com | AS21234 GRENKE Service GmbH |
| 50 | 7200s | mail10.grenkeleasing.com | 217.25.131.13 | mail10.grenkeleasing.com | AS21234 GRENKE Service GmbH |
| 50 | 7200s | mail5.grenkeleasing.com | 217.25.130.210 | mail5.grenkeleasing.com | AS21234 GRENKE Service GmbH |
| TXT Record |
|---|
| miro-verification=7245e9830e7ca0ac09464298c128093f69280dd5 |
| v=spf1 mx ip4:217.25.131.177 ip4:217.25.130.178 ip4:217.25.130.210 ip4:217.25.130.252 ip4:217.25.130.211 ip4:217.25.131.13 ip4:217.25.131.14 ip4:217.25.131.15 ~all |
| Policy | Record (grenkeonline.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ip4:217.25.131.177 ip4:217.25.130.178 ip4:217.25.130.210 ip4:217.25.130.252 ip4:217.25.130.211 ip4:217.25.131.13 ip4:217.25.131.14 ip4:217.25.131.15 ~all |
| Policy | Record (_dmarc.grenkeonline.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; fo=1; ri=3600; rua=mailto:rua@grenke.de; ruf=mailto:ruf@grenke.de |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves grenkeonline.dk: no address www.grenkeonline.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 11 |
| Primary NS (MNAME) | ns1.weblease-europe.com |
| Responsible (RNAME) | root@localhost.localdomain |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Variomedia AG |
| Registered | 2015-06-29 |
| Expires | 2027-06-30 (255d) |
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 |
|---|---|
| asset-broker.dk | Variomedia AG |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:31:04 shown | 5241ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-10-09 10:20:57 | 20378ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-08-27 12:07:34 | 7819ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-08-26 22:13:31 | 10068ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-06-19 23:09:09 | 6681ms | 3 NS 0 A 4 MX | ❓ Unknown |
| 2026-06-18 18:08:24 | 8373ms | 3 NS 0 A 4 MX | 🔓 Insecure |
| 2026-06-17 09:46:53 | 8559ms | 3 NS 0 A 4 MX | 🔓 Insecure |