justesen-instrument.dk

Records from scan: 2026-10-03 01:18:27 · 702ms total · last checked 2026-10-18 08:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

justesen-instrument.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 18 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.22 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ispc2.dotserv.com. 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#

4 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns1.dotserv.net	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.22	3600s	blq2.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	3600s	ispc2.dotserv.com	178.20.216.12	ispc2.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.justesen-instrument.dk → 178.20.216.12

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 243ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

Policy	Record (justesen-instrument.dk)
-all (hard fail)	v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

Policy	Record (_dmarc.justesen-instrument.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#

2 records 47ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🧩 Web & zone#

checked 2026-10-11 02:36:12

www	178.20.217.22 (AS21060) (address records, no CNAME)
www vs bare domain	Same network justesen-instrument.dk: 178.20.217.22 (AS21060) www.justesen-instrument.dk: 178.20.217.22 (AS21060)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

44ms

Field	Value
Serial	1283854688
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-10 17:34:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-18
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

28ms

36ms

AAAA

35ms

TXT

243ms

CAA

47ms

HTTPS

33ms

TLSA

201ms

SOA

44ms

MTA-STS

56ms

DNSSEC

60ms

SRV

69ms

Total

702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 01:18:27 shown	702ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-01 09:10:34	530ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 20:56:15	967ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 17:43:26	992ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 06:40:05	754ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:46:41	1178ms	4 NS 1 A 1 MX	🔓 Insecure