efterisolering.dk
📜 Historical scan 2026-06-20 07:57:12  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   60ms
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
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
🌍 A Records1 records   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.116.230.19 86400s — AS47292 Sentia Denmark A/S 217.116.224.0/20 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   288ms
TXT Record
v=spf1 ~all
✉️ SPF
PolicyRecord (efterisolering.dk)
~all (soft fail) v=spf1 ~all
📨 DMARC
PolicyRecord (_dmarc.efterisolering.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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA57ms
FieldValue
Serial2022011401
Primary NS (MNAME)ns1.markmonitor.com
Responsible (RNAME)domain\@manager.rockwool.com
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
65ms
MX
52ms
AAAA
64ms
TXT
288ms
CAA
71ms
HTTPS
65ms
TLSA
91ms
SOA
57ms
MTA-STS
64ms
DNSSEC
103ms
SRV
85ms
Total
564ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:04:17 3726ms 5 NS 1 A 0 MX 🔓 Insecure View
2026-06-20 07:57:12 564ms 5 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 06:05:20 473ms 5 NS 1 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone