kuhn-center.dk

Records from scan: 2026-09-12 10:06:35 · 948ms total · last checked 2026-10-20 13:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kuhn-center.dk is a .dk domain served by 3 nameservers (nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 152.89.172.56 is hosted by Nameshield SAS (AS209510) in France. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
nsa.perf1.fr	2a01:c8:100::100 81.92.94.100	nsa.perf1.fr nsa.perf1.fr	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsb.perf1.com	2a01:c8:101::100 81.92.95.100	nsb.perf1.com nsb.perf1.com	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsc.perf1.com	152.89.172.100 2a09:35c0:102::100	nsc.perf1.com nsc.perf1.com	AS209510 Nameshield SAS AS209510 Nameshield SAS

🌍 A Records#

3 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.89.172.56	3600s	cdn.perf1.com	AS209510	Nameshield SAS	152.89.172.0/22	🇫🇷 France	—
81.92.94.54	3600s	cdn.perf1.com	AS20756	Nameshield SAS	81.92.80.0/20	🇫🇷 France	Angers
81.92.95.55	3600s	cdn.perf1.com	AS20756	Nameshield SAS	81.92.80.0/20	🇫🇷 France	Angers

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

3 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:c8:100::54	3600s	cdn.perf1.com	AS20756	Nameshield SAS	2a01:c8:0:0:0:0:0:0/32	🇫🇷 France	—
2a01:c8:101::55	3600s	cdn.perf1.com	AS20756	Nameshield SAS	2a01:c8:0:0:0:0:0:0/32	🇫🇷 France	—
2a09:35c0:102::56	3600s	cdn.perf1.com	AS209510	Nameshield SAS	2a09:35c0:100:0:0:0:0:0/40	🇫🇷 France	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 315ms

TXT Record
v=spf1 ip4:109.7.93.140/26 ip4:90.85.9.160/28 ip4:83.206.132.192/28 ip4:195.101.134.144/28 ip4:212.234.0.48/28 -all

✉️ SPF#

Policy	Record (kuhn-center.dk)
-all (hard fail)	v=spf1 ip4:109.7.93.140/26 ip4:90.85.9.160/28 ip4:83.206.132.192/28 ip4:195.101.134.144/28 ip4:212.234.0.48/28 -all

📨 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#

checked 2026-10-10 02:01:08

www CNAME	cdn.perf1.com (all on perf1.com) → 152.89.172.56 81.92.94.54 81.92.95.55 2a01:c8:100::54 2a01:c8:101::55 2a09:35c0:102::56 (AS20756 AS209510)
www vs bare domain	Same network kuhn-center.dk: 152.89.172.56 81.92.94.54 81.92.95.55 2a01:c8:100::54 (AS20756 AS209510) www.kuhn-center.dk: 152.89.172.56 81.92.94.54 81.92.95.55 2a01:c8:100::54 (AS20756 AS209510)
Wildcard	No

🔎 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#

70ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023081601
Primary NS (MNAME)	nsa.perf1.fr
Responsible (RNAME)	technical@nameshield.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

43ms

42ms

55ms

AAAA

59ms

TXT

315ms

CAA

57ms

HTTPS

62ms

TLSA

319ms

SOA

0ms

MTA-STS

56ms

DNSSEC

70ms

SRV

71ms

Total

948ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-12 10:06:35 shown	948ms	3 NS 3 A 0 MX	🔓 Insecure
2026-06-21 11:49:15	496ms	3 NS 3 A 0 MX	🔓 Insecure
2026-06-20 11:05:07	661ms	3 NS 3 A 0 MX	🔓 Insecure
2026-06-20 05:49:24	796ms	3 NS 3 A 0 MX	🔓 Insecure
2026-06-17 12:09:47	1017ms	3 NS 3 A 0 MX	🔓 Insecure