chsc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by vps3.chsc.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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | vps3.chsc.dk | 2a01:488:66:1000:523:f59d:0:1 5.35.245.157 |
— vps3.chsc.dk |
AS20773 Host Europe GmbH AS8972 Host Europe GmbH |
| TXT Record |
|---|
| google-site-verification=JjKiJ_WxqzDmzIM1EWa6jfWbRvAyXpWRvMZj-LshCBo |
| v=spf1 a:vps3.chsc.dk a:vps4.chsc.dk -all |
| Policy | Record (chsc.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:vps3.chsc.dk a:vps4.chsc.dk -all |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20190501T200000Z |
| max_age | 3456000s |
| Policy MX | *.chsc.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | — |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves chsc.dk: no address www.chsc.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit |
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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.vps3.chsc.dk | DANE-TA · SPKI · SHA-256 | 51AAA87D984B559AC69E929F888A022D… |
| SMTP _25._tcp.vps3.chsc.dk | DANE-TA · SPKI · SHA-256 | 2E8307068B6DB620E4A39D068B5DEE5D… |
| SMTP _25._tcp.vps3.chsc.dk | DANE-TA · SPKI · SHA-256 | 025490860B498AB73C6A12F27A49AD5F… |
| SMTP _25._tcp.vps3.chsc.dk | DANE-TA · SPKI · SHA-256 | 919C0DF7A787B597ED056ACE654B1DE9… |
| SMTP _25._tcp.vps3.chsc.dk | DANE-TA · SPKI · SHA-256 | F1647A5EE3EFAC54C892E930584FE479… |
| SMTP _25._tcp.vps3.chsc.dk | DANE-TA · SPKI · SHA-256 | 9D637B3D27A9E570D07607B9CCADB80A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026052801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 01:21:55 | 580ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 12:37:51 | 3051ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 11:21:28 | 806ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-13 15:47:36 | 6595ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-04 10:12:04 | 1042ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-30 04:23:31 | 1763ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-29 19:00:07 | 951ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-02 00:20:05 | 940ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-29 04:29:13 | 953ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-27 04:12:31 | 663ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 01:16:31 shown | 889ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 20:45:46 | 599ms | 2 NS 0 A 1 MX | 🔒 Secure |