bygningsisolering.dk

📜 Historical scan 2026-09-23 16:51:00  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygningsisolering.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records   45ms
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   58ms
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   295ms
TXT Record
v=spf1 ~all

✉️ SPF#

PolicyRecord (bygningsisolering.dk)
~all (soft fail) v=spf1 ~all

📨 DMARC#

PolicyRecord (_dmarc.bygningsisolering.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#

latest probe, not this scan · checked 2026-10-21 19:49:03
www217.116.230.19 (AS47292) (address records, no CNAME)
www vs bare domainSame network
bygningsisolering.dk: 217.116.230.19 (AS47292)
www.bygningsisolering.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#

83ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2022011301
Primary NS (MNAME)ns1.markmonitor.com
Responsible (RNAME)domain\@manager.rockwool.com
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-21 20:18:40
FieldValue
RegistrarMarkMonitor Inc.
Registered1997-06-23
Expires2027-06-30 (248d)

🔗 Same registrant#

34 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.
brandisolering.dkMarkMonitor Inc.
efic.dkMarkMonitor Inc.
efterisolering.dkMarkMonitor Inc.
facadeisolering.dkMarkMonitor Inc.
grodan.dkMarkMonitor Inc.
hulmursisolering.dkMarkMonitor Inc.
isolerselv.dkMarkMonitor Inc.
lapinus.dkMarkMonitor Inc.
lavenergiguiden.dkMarkMonitor Inc.
lofter.dkMarkMonitor Inc.
miljoeisolering.dkMarkMonitor Inc.
noistop.dkMarkMonitor Inc.
parafon.dkMarkMonitor Inc.
rock1shop.dkMarkMonitor Inc.
rockdelta.dkMarkMonitor Inc.
rockdipshop.dkMarkMonitor Inc.
rockfon.dkMarkMonitor Inc.
rockint.dkMarkMonitor Inc.
rockpanel.dkMarkMonitor Inc.
rockshop.dkMarkMonitor Inc.
rocktec.dkMarkMonitor Inc.
rocktestshop.dkMarkMonitor Inc.
rockwoll.dkMarkMonitor Inc.
rockwool-rti.dkMarkMonitor Inc.
rockwool.dkMarkMonitor Inc.
rockwoolfonden.dkMarkMonitor Inc.
stop-rockwool.dkMarkMonitor Inc.
stoplocalwarming.dkMarkMonitor Inc.
tagisolering.dkMarkMonitor Inc.
toxic-rockwool.dkMarkMonitor Inc.
tripplex-design.dkMarkMonitor Inc.
varmeisolering.dkMarkMonitor Inc.
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
58ms
MX
62ms
AAAA
49ms
TXT
295ms
CAA
40ms
HTTPS
55ms
TLSA
284ms
SOA
0ms
MTA-STS
78ms
DNSSEC
83ms
SRV
706ms
Total
2110ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 19:49:03 1559ms 5 NS 1 A 0 MX 🔓 Insecure
2026-10-01 09:18:59 10035ms 5 NS 1 A 0 MX 🔓 Insecure
2026-09-23 16:51:00 shown 2110ms 5 NS 1 A 0 MX 🔓 Insecure
2026-07-03 06:45:23 984ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-28 06:45:21 859ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-27 07:40:05 1767ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-21 19:28:05 3606ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-21 11:45:27 1137ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 18:22:41 407ms 5 NS 1 A 0 MX 🔓 Insecure
2026-06-16 18:20:18 447ms 5 NS 1 A 0 MX 🔓 Insecure
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