chsystem.dk

📜 Historical scan 2026-09-30 14:21:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

chsystem.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 25 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.208.13 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by chsystem-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.

🖥️ Nameservers#

4 records   53ms

🌍 A Records#

1 records   44ms

📧 MX Records#

1 records   42ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔶 Autoconfigchsystem.dk → 35.214.208.13

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   81ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com

📝 TXT Records#

9 records   241ms
TXT Record
anthropic-domain-verification-yzk8bj=DRovjvisYAnzDRFFW1OvMEfU8
apple-domain-verification=M8VrJuXgYgh6iu50
bw=ObnARUD0ZyTiaQnB7heWLtr8DKxGRKSqynVK6bIm0Pz8
Foxit-domain-verification=d2e806f20cbe3bb94c0b41f50c6937e4
google-site-verification=Tb6ClrDYnaYlKnQ8rvupXC_N4ao6D7N4t5pqW4huiek
linkedin-site-verification=325f56a1-55b3-461e-a7a9-e0a28eefe6a6
MS=ms57616832
v=spf1 include:mail.zendesk.com include:spf.protection.outlook.com -all
Y1Rh0kejW8YRIVJeT9hFJXGpK1QP8R5zcP924IgAYQB16m1Pq5ou8fyL9WrXuvv9gAfFhXm5RH0aflVaZ5HeUQ==

✉️ SPF#

PolicyRecord (chsystem.dk)
-all (hard fail) v=spf1 include:mail.zendesk.com include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.chsystem.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-20 08:00:28
www CNAMEchsystem.dk (all on chsystem.dk)
www vs bare domainSame network
chsystem.dk: 35.214.208.13 (AS43515)
www.chsystem.dk: 35.214.208.13 (AS43515)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-chsystem-dk._domainkey.qubiqa.onmicrosoft.com RSA · ~2048 bit
selector2 selector2-chsystem-dk._domainkey.qubiqa.onmicrosoft.com RSA · ~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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.chsystem.dk chsystem.dk
TXT chsystem.dk Foxit-domain-verification=d2e806f20cbe3bb94c0b41f50c6937e4
TXT chsystem.dk anthropic-domain-verification-yzk8bj=DRovjvisYAnzDRFFW1OvMEfU8
TXT chsystem.dk apple-domain-verification=M8VrJuXgYgh6iu50
TXT chsystem.dk bw=ObnARUD0ZyTiaQnB7heWLtr8DKxGRKSqynVK6bIm0Pz8
TXT chsystem.dk linkedin-site-verification=325f56a1-55b3-461e-a7a9-e0a28eefe6a6

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

67ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

60ms
FieldValue
Serial2026091501
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-19 05:08:11
FieldValue
RegistrarEurodns S.A
Registered1997-11-25
Expires2027-12-31 (435d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
processbio.dkINTERNET 123 ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
53ms
A
44ms
MX
42ms
AAAA
35ms
TXT
241ms
CAA
45ms
HTTPS
43ms
TLSA
352ms
SOA
60ms
MTA-STS
70ms
DNSSEC
67ms
SRV
81ms
Total
998ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 08:00:28 2207ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-19 04:42:13 2441ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-11 20:44:35 1753ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-01 14:26:21 1276ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 14:21:48 shown 998ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-29 19:21:44 1312ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-29 16:59:48 1678ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-19 07:09:18 1467ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-16 23:01:43 1561ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-31 20:04:05 1044ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 23:53:26 1206ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 18:33:46 1140ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-24 15:02:39 4141ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-07 08:48:16 1936ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-19 21:59:04 2177ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-18 17:43:04 25428ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-08 16:05:42 9876ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-03 10:20:00 1278ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-30 02:12:57 1611ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-25 11:28:18 2999ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-22 02:26:47 1225ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-16 20:45:23 1426ms 4 NS 1 A 1 MX 🔒 Secure
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