hexagon-challenge.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 1 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.22.145.121 is hosted by Amazon.com, Inc. (AS16509) in Germany. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 5.22.145.121 | 600s | relay.mail-forwarder.io | AS16509 | Amazon.com, Inc. | 5.22.145.0/24 | 🇩🇪 Germany | — |
| 5.22.145.16 | 600s | relay.mail-forwarder.io | AS16509 | Amazon.com, Inc. | 5.22.145.0/24 | 🇩🇪 Germany | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:18e0:5:2:7577:4e4d:413b:f507 | 600s | relay.mail-forwarder.io | AS16509 | Amazon.com, Inc. | 2a00:18e0:5:0:0:0:0:0/48 | 🇩🇪 Germany | — |
| 2a00:18e0:5:3:dfe2:c743:85aa:61bc | 600s | relay.mail-forwarder.io | AS16509 | Amazon.com, Inc. | 2a00:18e0:5:0:0:0:0:0/48 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (hexagon-challenge.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.hexagon-challenge.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:mnehokxg@ag.eu.dmarcadvisor.com; adkim=s; aspf=s; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:security.administration@danskebank.dk |
| 0 | issue | globalsign.com |
| 0 | issuewild | ; |
| www | 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network hexagon-challenge.dk: 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) www.hexagon-challenge.dk: 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) |
| Wildcard | No |
DNS lookups: 0/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021102800 |
| Primary NS (MNAME) | ns1.brandshelter.com |
| Responsible (RNAME) | tech@brandshelter.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Key-Systems GmbH |
| Registered | 2017-09-01 |
| 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).
Showing 100 of 108.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 20:51:02 | 753ms | 5 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-09 15:11:40 | 2561ms | 5 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 19:04:20 | 872ms | 5 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 06:35:59 | 911ms | 5 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-25 00:31:57 | 33155ms | 5 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 01:56:33 shown | 1156ms | 5 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:16:58 | 954ms | 5 NS 2 A 0 MX | 🔓 Insecure |