linuxpert.dk

Records from scan: 2026-10-16 01:19:38  ·  2388ms total  ·  last checked 2026-10-17 02:50 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linuxpert.dk is a .dk domain served by 3 nameservers (a.ns.netic.dk, b.ns.netic.dk, c.ns.netic.dk). It was registered on 12 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.243.49.112 is hosted by Netic A/S (AS42697) in Denmark. Mail is handled by mxfilter01.netic.dk, mxfilter02.netic.dk. 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#

3 records   45ms
NameserverIP addressesPTRASN / ISP
a.ns.netic.dk 2a03:dc80:0:f136::203
77.243.50.203		 dns01.netic.dk
a.ns.netic.dk		 AS42697 Netic A/S
AS42697 Netic A/S
b.ns.netic.dk 2a03:dc80:0:f136::205
77.243.50.205		 b.ns.netic.dk
b.ns.netic.dk		 AS42697 Netic A/S
AS42697 Netic A/S
c.ns.netic.dk 188.245.159.108
2a01:4f8:c0c:72fd::1		 static.108.159.245.188.clients.your-server.de
—		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

🌍 A Records#

1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.243.49.112 28800s — AS42697 Netic A/S 77.243.48.0/20 🇩🇰 Denmark Aalborg

📧 MX Records#

2 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 28800s mxfilter01.netic.dk 2a03:dc80:0:f136::207
77.243.50.207		 mxfilter01.netic.dk
mxfilter01.netic.dk		 AS42697 Netic A/S
AS42697 Netic A/S
10 28800s mxfilter02.netic.dk 2a03:dc80:0:f136::213
77.243.50.213		 mxfilter02.netic.dk
mxfilter02.netic.dk		 AS42697 Netic A/S
AS42697 Netic A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   1738ms
TXT Record
_globalsign-domain-verification=A16YR94wLhjy8-A5y8woVaF8_Me-iC4uFJ5vqmyFHu
v=spf1 ip4:77.243.56.29 -all

✉️ SPF#

PolicyRecord (linuxpert.dk)
-all (hard fail) v=spf1 ip4:77.243.56.29 -all

📨 DMARC#

PolicyRecord (_dmarc.linuxpert.dk)
p=reject v=DMARC1; p=reject;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records   28ms
FlagsTagValue
0 issue globalsign.com

🧩 Web & zone#

checked 2026-10-16 01:19:38
www77.243.49.112 (AS42697) (address records, no CNAME)
www vs bare domainSame network
linuxpert.dk: 77.243.49.112 (AS42697)
www.linuxpert.dk: 77.243.49.112 (AS42697)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   107ms
Service / OwnerTypeCert association
SMTP _25._tcp.mxfilter01.netic.dk DANE-EE · SPKI · SHA-256 9C88565DA92996EEE441AC9CED4B3F5C…
SMTP _25._tcp.mxfilter02.netic.dk DANE-EE · SPKI · SHA-256 9C88565DA92996EEE441AC9CED4B3F5C…

🔐 DNSSEC#

71ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

58ms
FieldValue
Serial2403
Primary NS (MNAME)a.ns.netic.dk
Responsible (RNAME)hostmaster@netic.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)60s

📋 Registration#

WHOIS fetched 2026-10-16 01:43:36
FieldValue
RegistrarNETIC A/S
Registered2000-04-12
Expires2027-06-30 (255d)

🔗 Same registrant#

25 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
about.dkNETIC A/S
apoteker-register.dkNETIC A/S
contain.dkNETIC A/S
dnssectest.dkNETIC A/S
dotsrc.dkNETIC A/S
easylogin.dkNETIC A/S
epassport.dkNETIC A/S
fmk-offline.dkNETIC A/S
fmk-teknik.dkNETIC A/S
internet-engineers.dkNETIC A/S
internetengineer.dkNETIC A/S
internetengineers.dkNETIC A/S
killchain.dkNETIC A/S
letlogin.dkNETIC A/S
lindholm-fjordbo.dkNETIC A/S
netic.dkNETIC A/S
netichosting.dkNETIC A/S
svarsling.dkNETIC A/S
trifork-security.dkNETIC A/S
triforksecurity.dkNETIC A/S
trisec.dkNETIC A/S
unixpert.dkNETIC A/S
vaccintionsregistret.dkNETIC A/S
vendiakollegiet.dkNETIC A/S
webhost.dkNETIC A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
46ms
MX
44ms
AAAA
26ms
TXT
1738ms
CAA
28ms
HTTPS
50ms
TLSA
107ms
SOA
58ms
MTA-STS
1679ms
DNSSEC
71ms
SRV
1994ms
Total
2388ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 01:19:38 shown 2388ms 3 NS 1 A 2 MX 🔓 Insecure
2026-10-01 04:26:20 1940ms 3 NS 1 A 2 MX 🔓 Insecure
2026-09-30 04:18:00 1606ms 3 NS 1 A 2 MX 🔓 Insecure
2026-09-29 04:07:29 1422ms 3 NS 1 A 2 MX 🔓 Insecure
2026-07-03 11:34:10 1755ms 3 NS 1 A 2 MX 🔓 Insecure
2026-06-18 03:13:07 4524ms 3 NS 1 A 2 MX 🔓 Insecure
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