pcsyd.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.37.133.238 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by smtp.pcsyd.dk. 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 |
|---|---|---|---|---|---|---|---|
| 212.37.133.238 | 3600s | 212-37-133-238.norlyscustomer.net | AS39642 | Sinal A/S | 212.37.128.0/19 | 🇩🇰 Denmark | Sønderborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | smtp.pcsyd.dk | 212.37.133.237 | 212-37-133-237.norlyscustomer.net | AS39642 Sinal A/S |
| TXT Record |
|---|
| globalsign-domain-verification=TD-L0tdVH7krTx5A6jpbpLnO44LxlXJrrfaJtQK_Zq |
| v=spf1 ip4:212.37.133.237 include:spf.topdesk.net -all |
| Policy | Record (pcsyd.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:212.37.133.237 include:spf.topdesk.net -all |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.pcsyd.dk | proxy_acme-challenge.pcsyd.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100208 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2013-11-29 |
| Expires | 2026-11-30 (43d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 21:08:03 | 445ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 20:58:02 | 1415ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 19:49:55 | 420ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 14:55:44 | 1054ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 12:56:13 | 641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 07:44:10 | 1751ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 04:17:25 | 1221ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 04:10:16 | 851ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 04:09:33 | 1788ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 04:05:26 | 2004ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 17:48:07 | 746ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 17:45:52 | 384ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 17:40:20 shown | 486ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 17:39:26 | 606ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 17:36:37 | 379ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 17:34:53 | 1123ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:42:06 | 453ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 23:22:05 | 863ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 23:09:38 | 524ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 22:55:55 | 735ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 22:48:12 | 769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 22:18:41 | 605ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 22:12:59 | 2641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 03:12:17 | 664ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 10:01:12 | 837ms | 2 NS 1 A 1 MX | 🔒 Secure |