seritronic.dk is a .dk domain served by 3 nameservers (ns1.pil.dk, ns2.pil.dk, ns3.pil.dk). It was registered on 27 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 7Q2ZZfD2sPbcwIRh8CnlzsVfSjO2TzXu86STx2P++FzZOmuQJgugHa0OWN4AczEheHEB7Q/xRDzc23Eaz4ISzg== |
| apple-domain-verification=xWvz4pq5xVpJMYEx |
| v=spf1 ip4:62.242.43.106 ip4:85.191.224.195/32 include:spf.protection.outlook.com include:emsd1.com include:9185810.spf10.hubspotemail.net -all |
| Policy | Record (seritronic.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:62.242.43.106 ip4:85.191.224.195/32 include:spf.protection.outlook.com include:emsd1.com include:9185810.spf10.hubspotemail.net -all |
| Policy | Record (_dmarc.seritronic.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 162.159.140.127 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026062203 |
| Primary NS (MNAME) | ns1.pil.dk |
| Responsible (RNAME) | hostmaster@pil.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2415600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-03-27 |
| Expires | 2027-03-31 (157d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 05:13:35 | 664ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 00:03:38 | 3344ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 01:01:49 | 555ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 09:24:37 | 2596ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-01 06:34:27 shown | 2662ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 22:36:17 | 920ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 04:16:06 | 1412ms | 3 NS 1 A 3 MX | 🔓 Insecure |