koreaguide.dk DNS records

🖥️ Nameservers3 records 272ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.second-ns.com	213.239.204.242 2a01:4f8:0:a101::b:1	ns.second-ns.com ns.second-ns.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns1.your-server.de	213.133.100.102 2a01:4f8:0:1::5ddc:1	ns1.your-server.de ns1.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.second-ns.de	193.47.99.4 2001:67c:192c::add:b3	ns3.second-ns.de ns3.second-ns.de	AS12337 noris network AG AS12337 noris network AG

🌍 A Records2 records 248ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.148.4	7200s	x59969404.customers.hiper-net.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	—
90.185.178.17	7200s	mail.jeseriksen.dk	AS203953	Hiper A/S	90.184.0.0/15	🇩🇰 Denmark	—

📧 MX Records1 records 249ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	koreaguide.dk	89.150.148.4 90.185.178.17	x59969404.customers.hiper-net.dk mail.jeseriksen.dk	AS203953 Hiper A/S AS203953 Hiper A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	koreaguide.dk → 89.150.148.4
🔶 Autoconfig	koreaguide.dk → 90.185.178.17

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 314ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	mail.your-server.de
_imaps._tcp	0	100	993	mail.your-server.de

📝 TXT Records1 records 658ms

TXT Record
v=spf1 mx a ip4:89.150.148.4/32 ip4:90.185.178.17/32 a:jeseriksen.dk a:janeeriksen.dk a:leriksen.dk a:schandorfferiksen.dk a:smallsolutions.dk a:trillegaarden.com a:nicehost.org a:rasmuswidell.com -all

✉️ SPF

Policy	Record (koreaguide.dk)
-all (hard fail)	v=spf1 mx a ip4:89.150.148.4/32 ip4:90.185.178.17/32 a:jeseriksen.dk a:janeeriksen.dk a:leriksen.dk a:schandorfferiksen.dk a:smallsolutions.dk a:trillegaarden.com a:nicehost.org a:rasmuswidell.com -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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.koreaguide.dk	koreaguide.dk

🔗 TLSA / DANE

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

🔐 DNSSEC377ms

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

🏷️ SOA249ms

Field	Value
Serial	2026033001
Primary NS (MNAME)	ns1.your-server.de
Responsible (RNAME)	postmaster@your-server.de
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

272ms

A

248ms

MX

249ms

AAAA

260ms

TXT

658ms

CAA

269ms

HTTPS

301ms

TLSA

410ms

SOA

249ms

MTA-STS

312ms

DNSSEC

377ms

SRV

314ms

Total

2600ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-04 20:42:44	2600ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:25:51	1931ms	3 NS 2 A 1 MX	⚠️ Bogus	View