costri.dk

📜 Historical scan 2026-07-02 00:31:15  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

costri.dk is a .dk domain served by 3 nameservers (ns1.stom.dk, ns2.stom.dk, ns3.stom.dk). It was registered on 16 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.124 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.costri.dk. The zone is not DNSSEC-signed, 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.

🖥️ Nameservers#

3 records   58ms
NameserverIP addressesPTRASN / ISP
ns1.stom.dk 172.105.72.183
2a01:7e01::f03c:94ff:fe6a:805d		 ns1.dnsresolve.io
—		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
ns2.stom.dk 152.115.36.124 — AS31027 GlobalConnect A/S
ns3.stom.dk 212.71.233.109
2a01:7e00::f03c:94ff:fe9f:2cca		 212-71-233-109.ip.linodeusercontent.com
—		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud

🌍 A Records#

1 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.116.13.124 3600s s8.stom.dk AS31027 GlobalConnect A/S 87.116.0.0/18 🇩🇰 Denmark —

📧 MX Records#

1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.costri.dk 87.116.13.124 s8.stom.dk AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover87.116.13.124
🔶 Autoconfig87.116.13.124

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   191ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   336ms
TXT Record
v=spf1 ip4:87.116.13.124 +a +mx 81.7.161.174 ~all

✉️ SPF#

PolicyRecord (costri.dk)
~all (soft fail) v=spf1 ip4:87.116.13.124 +a +mx 81.7.161.174 ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 13:46:46
www CNAMEcostri.dk (all on costri.dk)
www vs bare domainSame network
costri.dk: 87.116.13.124 (AS31027)
www.costri.dk: 87.116.13.124 (AS31027)
WildcardNo

✍️ 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: 2/10 · policy: ~all

  • error Unknown mechanism "81.7.161.174": receivers treat the record as a permanent error

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.costri.dk ddW5QbsRO3wiqBEx7xKQiLszbYYnNkkCd2RyfhDsbbk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

129ms
FieldValue
Serial2025051299
Primary NS (MNAME)ns1.stom.dk
Responsible (RNAME)cpanel@stom.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-10 12:29:29
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-12-16
Expires2026-12-31 (74d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
58ms
A
38ms
MX
38ms
AAAA
37ms
TXT
336ms
CAA
58ms
HTTPS
59ms
TLSA
137ms
SOA
129ms
MTA-STS
68ms
DNSSEC
149ms
SRV
191ms
Total
899ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 13:46:46 588ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-29 19:44:46 681ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-27 06:56:27 9572ms 3 NS 1 A 1 MX 🔓 Insecure
2026-07-02 00:31:15 shown 899ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-16 22:36:06 583ms 3 NS 1 A 1 MX 🔓 Insecure
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