zoffmann-optik.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 18 December 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.241.247.115 is hosted by Google LLC (AS396982) in Belgium. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 35.241.247.115 | — | 115.247.241.35.bc.googleusercontent.com | AS396982 | Google LLC | 35.240.0.0/13 | 🇧🇪 Belgium | Brussels |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| v=spf1 include:_spf.centerasecurity.dk ip4:185.163.189.115 include:spf.protection.outlook.com -all |
| Policy | Record (zoffmann-optik.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk ip4:185.163.189.115 include:spf.protection.outlook.com -all |
| www | 94.231.103.100 (AS48854) (address records, no CNAME) |
| www vs bare domain | Different networks (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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025041005 |
| 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 | 2004-12-18 |
| Expires | 2026-12-31 (72d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:09:09 | 947ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 21:17:25 | 945ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 21:08:00 | 681ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 11:55:43 | 869ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-19 11:35:45 | 732ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-21 06:44:12 | 13375ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 06:27:02 | 952ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 03:29:58 shown | 1090ms | 3 NS 1 A 3 MX | 🔒 Secure |