esrumsystem.dk

📜 Historical scan 2026-06-27 02:29:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esrumsystem.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 30 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.125 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by esrumsystem.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

3 records   225ms
NameserverIP addressesPTRASN / ISP
ns5.chosting.dk 167.235.66.236
2a01:4f8:1c1e:d097::1		 ns5.chosting.dk
ns5.chosting.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns6.chosting.dk 2001:41d0:305:2100::80e9
51.91.57.33		 ns6.chosting.dk
ns6.chosting.dk		 AS16276 OVH SAS
AS16276 OVH SAS
ns7.chosting.dk 178.20.220.33 ns7.chosting.dk AS21060 Atea A/S

🌍 A Records#

1 records   185ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.125 3600s server17.chosting.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   179ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s esrumsystem.dk 178.20.216.125
2a01:7cc0:101:ffff::1:13		 server17.chosting.dk
—		 AS21060 Atea A/S
AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover178.20.216.125
🔶 Autoconfig178.20.216.125

🔷 AAAA Records (IPv6)#

1 records   211ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7cc0:101:ffff::1:13 14400s — AS21060 Atea A/S 2a01:7cc0:100:0:0:0:0:0/40 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   292ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   756ms
TXT Record
v=spf1 ip4:178.20.216.125 include:spf.chosting.dk ip4:178.20.216.8 +a +mx +ip4:91.215.163.244 +ip4:91.215.163.252 +ip4:91.215.163.252 ~all

✉️ SPF#

PolicyRecord (esrumsystem.dk)
~all (soft fail) v=spf1 ip4:178.20.216.125 include:spf.chosting.dk ip4:178.20.216.8 +a +mx +ip4:91.215.163.244 +ip4:91.215.163.252 +ip4:91.215.163.252 ~all

📨 DMARC#

PolicyRecord (_dmarc.esrumsystem.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-12 04:11:36
www CNAMEesrumsystem.dk (all on esrumsystem.dk)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.esrumsystem.dk OJ0JJzUtQFnS02Zt47lVZXfCblm4SY6A2OjsynDxu2M

🔗 TLSA / DANE#

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

🔐 DNSSEC#

511ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

205ms
FieldValue
Serial2026052600
Primary NS (MNAME)ns5.chosting.dk
Responsible (RNAME)logs@chosting.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-11 17:03:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-05-30
Expires2032-05-31 (2053d)

🔗 Same registrant#

2 domains

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
frelste.dkPunktum dk A/S (direct)
nationalnatur.dkFIONIA IT ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
225ms
A
185ms
MX
179ms
AAAA
211ms
TXT
756ms
CAA
217ms
HTTPS
177ms
TLSA
153ms
SOA
205ms
MTA-STS
244ms
DNSSEC
511ms
SRV
292ms
Total
2091ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-11 05:37:00 699ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-04 03:52:23 839ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-26 06:17:18 832ms 3 NS 1 A 1 MX 🔒 Secure
2026-07-11 02:32:03 980ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-27 02:29:10 shown 2091ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-22 17:49:24 847ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 08:24:58 443ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 08:24:58 384ms 3 NS 1 A 1 MX 🔒 Secure
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