linsen.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns55.1und1.de	185.132.34.33 2607:f1c0:fe:53:185:132:34:33	ns1033.ui-dns.com ns1033.ui-dns.com	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns56.1und1.de	185.132.35.32 2607:f1c0:fe:53:185:132:35:32	ns1032.ui-dns.org ns1032.ui-dns.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.160.0.186	3600s	217-160-0-186.elastic-ssl.ui-r.com	AS8560	IONOS SE	217.160.0.0/16	🇩🇪 Germany	—

📧 MX Records2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx00.kundenserver.de	212.227.15.171	mx00.kundenserver.de	AS8560 IONOS SE
11	3600s	mx01.kundenserver.de	212.227.15.188	mx01.kundenserver.de	AS8560 IONOS SE

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	adsredir.1and1.info → 195.20.225.163

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 253ms

TXT Record
google-site-verification=BYf-oeV0owlm0gyf9-fiYn58zlNzgUrVfeQMIT8Vh4s
google-site-verification=jUeML3RutlOfvTLHE0Ye46yRGz6g3tZHKkLkWgmORVc
v=spf1 a mx ip4:212.227.126.128/25 ip4:212.227.17.0/27 include:_spf.kundenserver.de include:_spf.kontaktlinsen-online.ch ip4:82.165.192.2 include:spf.crsend.com ~all

✉️ SPF

Policy	Record (linsen.dk)
~all (soft fail)	v=spf1 a mx ip4:212.227.126.128/25 ip4:212.227.17.0/27 include:_spf.kundenserver.de include:_spf.kontaktlinsen-online.ch ip4:82.165.192.2 include:spf.crsend.com ~all

📨 DMARC

Policy	Record (_dmarc.linsen.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:godi@linsen.dk; ruf=mailto:godi@linsen.dk; rf=afrf; pct=100; ri=86400

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2017040821
Primary NS (MNAME)	ns55.1und1.de
Responsible (RNAME)	hostmaster@1und1.de
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

69ms

A

51ms

MX

51ms

AAAA

63ms

TXT

253ms

CAA

65ms

HTTPS

42ms

TLSA

126ms

SOA

0ms

MTA-STS

75ms

DNSSEC

91ms

SRV

103ms

Total

765ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:24:53	765ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-26 06:30:10	861ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 11:29:22	5796ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 07:58:32	957ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 06:30:41	1169ms	2 NS 1 A 2 MX	❓ Unknown	View
2026-06-17 11:49:23	1027ms	2 NS 1 A 2 MX	🔓 Insecure	View