jura-kalk.dk

📜 Historical scan 2026-06-30 22:39:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jura-kalk.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 9 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.253 is hosted by One.com A/S (AS51468) in Denmark. The zone is not DNSSEC-signed, has no 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.253	300s	—	AS51468	One.com A/S	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 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#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 01:50:43

www	91.221.196.253 (AS51468) (address records, no CNAME)
www vs bare domain	Same network jura-kalk.dk: 91.221.196.253 (AS51468) www.jura-kalk.dk: 91.221.196.253 (AS51468)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2017110900
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-18 14:01:12

Field	Value
Registrar	Key-Systems GmbH
Registered	2002-01-09
Expires	2027-03-31 (156d)

🔗 Same registrant#

2 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).

Domain	Registrar
renmaling.dk	Key-Systems GmbH
vikalker.dk	Key-Systems GmbH

📋 WHOIS#

⏱️ Lookup Timing#

58ms

43ms

41ms

AAAA

56ms

TXT

246ms

CAA

68ms

HTTPS

39ms

TLSA

53ms

SOA

54ms

MTA-STS

49ms

DNSSEC

79ms

SRV

81ms

Total

842ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 07:15:28	527ms	5 NS 1 A 0 MX	🔓 Insecure
2026-09-02 08:15:06	4718ms	5 NS 1 A 0 MX	🔓 Insecure
2026-08-26 04:28:09	582ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-30 22:39:23 shown	842ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-23 15:40:29	893ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-21 14:02:09	724ms	5 NS 1 A 0 MX	🔓 Insecure
2026-06-17 20:20:03	883ms	5 NS 1 A 0 MX	🔓 Insecure