zeiss.dk is a .dk domain served by 6 nameservers (a1-232.akam.net, a13-66.akam.net, a18-66.akam.net and 3 more). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.239.138.48 is hosted by Arelion Sweden AB (AS1299) in United Kingdom. Mail is handled by mx-in01.eu.retarus.com, mx-in02.eu.retarus.com. 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 |
|---|---|---|---|---|---|---|---|
| 80.239.138.48 | 20s | — | AS1299 | Arelion Sweden AB | 80.239.128.0/17 | 🇬🇧 United Kingdom | — |
| 80.239.138.88 | 20s | — | AS1299 | Arelion Sweden AB | 80.239.128.0/17 | 🇬🇧 United Kingdom | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx-in01.eu.retarus.com | 94.199.92.130 | mx-in01.eu.retarus.com | AS48328 retarus GmbH |
| 10 | 3600s | mx-in02.eu.retarus.com | 94.199.89.39 | mx-in02.eu.retarus.com | AS48328 retarus GmbH |
| TXT Record |
|---|
| dtm-domain-verification=7g4Xs93GPcVzfJJuFCfvhbu498ZVNkRHkJBOXuALPJY |
| v=spf1 -all |
| Policy | Record (zeiss.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.zeiss.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;aspf=s;adkim=s |
| www CNAME | www.zeiss.dk.edgesuite.net (all on edgesuite.net) |
| www vs bare domain | Same network zeiss.dk: 139.45.105.81 139.45.105.88 2a02:25c8:d100:105::8b2d:6a18 2a02:25c8:d100:105::8b2d:6a3b (AS39642) www.zeiss.dk: 139.45.105.72 139.45.105.88 (AS39642) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 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 | 2018062925 |
| Primary NS (MNAME) | a1-232.akam.net |
| Responsible (RNAME) | hostmaster@zeiss.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Key-Systems GmbH |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 11:54:51 | 1962ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 04:19:04 | 2270ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-26 23:27:35 | 2188ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-13 19:15:05 | 1338ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-01 08:43:18 | 1235ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 12:24:02 | 2870ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 12:00:37 | 1903ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-18 13:23:55 | 3623ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-13 19:36:38 shown | 9393ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-10 09:43:16 | 1870ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-09 01:55:31 | 1284ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-08 00:05:32 | 2011ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-16 17:59:07 | 3195ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-08 22:49:02 | 2357ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-01 04:25:57 | 1863ms | 6 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 22:24:35 | 1225ms | 6 NS 2 A 2 MX | 🔓 Insecure |