rockshell.dk
📜 Historical scan 2026-06-24 17:56:39  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers7 records   225ms
NameserverIP addressesPTRASN / ISP
ns1.markmonitor.com 149.112.160.1
2620:10a:80a8::1		 —
—		 AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns2.markmonitor.com 176.97.158.1
2001:67c:10b8::1		 ns2.markmonitor.com
ns2.markmonitor.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ns3.markmonitor.com 149.112.161.1
2620:10a:80a9::1		 —
—		 AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
ns4.markmonitor.com 192.174.68.1
2001:67c:1bc::1		 ns1.markmonitor.com
ns1.markmonitor.com		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns5.markmonitor.com 149.112.160.2
2620:10a:80a8::2		 —
—		 AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns6.markmonitor.com 176.97.158.3
2001:67c:10b8::3		 ns6.markmonitor.com
ns6.markmonitor.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ns7.markmonitor.com 149.112.161.2
2620:10a:80a9::2		 —
—		 AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
🌍 A Records1 records   207ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.145.55.21 86400s — AS47292 Sentia Denmark A/S 217.145.48.0/21 🇩🇰 Denmark —
📧 MX Records1 records   217ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s bh.markmonitor.com — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover217.145.55.21
🔶 Autoconfig217.145.55.21
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   728ms
TXT Record
v=spf1 ~all
✉️ SPF
PolicyRecord (rockshell.dk)
~all (soft fail) v=spf1 ~all
📨 DMARC
PolicyRecord (_dmarc.rockshell.dk)
p=none (monitor only) v=DMARC1;p=none;rua=mailto:2y7cn1fh@ag.eu.dmarcian.com;ruf=mailto:2y7cn1fh@fr.eu.dmarcian.com
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC303ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA206ms
FieldValue
Serial2022031001
Primary NS (MNAME)ns1.markmonitor.com
Responsible (RNAME)hostmaster@markmonitor.com
Refresh86400s
Retry3600s
Expire2592000s
Minimum (neg-cache TTL)172800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
225ms
A
207ms
MX
217ms
AAAA
215ms
TXT
728ms
CAA
211ms
HTTPS
200ms
TLSA
649ms
SOA
206ms
MTA-STS
225ms
DNSSEC
303ms
SRV
296ms
Total
3576ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:33:19 2200ms 7 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 22:04:29 2399ms 7 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 17:56:39 3576ms 7 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 11:32:42 1739ms 7 NS 1 A 1 MX 🔓 Insecure View
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