efterisolering.dk

Records from scan: 2026-10-07 19:29:32  ·  1461ms total  ·  last checked 2026-10-19 20:10 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efterisolering.dk is a .dk domain served by 5 nameservers (ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com and 2 more). It was registered on 23 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.230.19 is hosted by Sentia Denmark A/S (AS47292) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records   31ms
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
AS1921 ipcom GmbH

🌍 A Records#

1 records   56ms
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 Records#

1 records   229ms
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

🧩 Web & zone#

checked 2026-10-07 19:29:32
www217.116.230.19 (AS47292) (address records, no CNAME)
www vs bare domainSame network
efterisolering.dk: 217.116.230.19 (AS47292)
www.efterisolering.dk: 217.116.230.19 (AS47292)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

45ms
FieldValue
Serial2022011401
Primary NS (MNAME)ns1.markmonitor.com
Responsible (RNAME)domain\@manager.rockwool.com
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-20 11:38:24
FieldValue
RegistrarMarkMonitor Inc.
Registered1997-06-23
Expires2027-06-30 (252d)

🔗 Same registrant#

15 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
akustik-lofter.dkMarkMonitor Inc.
betterhome.dkMarkMonitor Inc.
bygningsisolering.dkMarkMonitor Inc.
efic.dkMarkMonitor Inc.
grodan.dkMarkMonitor Inc.
hulmursisolering.dkMarkMonitor Inc.
isolerselv.dkMarkMonitor Inc.
lapinus.dkMarkMonitor Inc.
lofter.dkMarkMonitor Inc.
rockint.dkMarkMonitor Inc.
rocktec.dkMarkMonitor Inc.
rocktestshop.dkMarkMonitor Inc.
rockwool.dkMarkMonitor Inc.
stop-rockwool.dkMarkMonitor Inc.
stoplocalwarming.dkMarkMonitor Inc.
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
56ms
MX
42ms
AAAA
42ms
TXT
229ms
CAA
58ms
HTTPS
42ms
TLSA
460ms
SOA
45ms
MTA-STS
76ms
DNSSEC
78ms
SRV
72ms
Total
1461ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 19:29:32 shown 1461ms 5 NS 1 A 0 MX 🔓 Insecure
2026-09-23 20:38:00 1228ms 5 NS 1 A 0 MX 🔓 Insecure
2026-08-28 10:04:17 3726ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-20 07:57:12 564ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-17 06:05:20 473ms 5 NS 1 A 0 MX 🔓 Insecure
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