s-tec.dk DNS records

🖥️ Nameservers3 records 98ms

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 Records1 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.160.253	7200s	www452.your-server.de	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	mail.s-tec.dk	136.243.160.253 2a01:4f8:d0a:608f::2	www452.your-server.de www452.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	mail.your-server.de → 78.46.5.205

🔷 AAAA Records (IPv6)1 records 104ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:d0a:608f::2	7200s	www452.your-server.de	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 181ms

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

📝 TXT Records4 records 381ms

TXT Record
apple-domain-verification=pqeD9ohgBF4Cno7P
v=spf1 +a +mx ?all
v=spf1 a mx ip4:84.118.207.6 -all
v=spf1 a mx ip4:84.118.207.6 ?all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (s-tec.dk)
?all (neutral)	v=spf1 +a +mx ?all
-all (hard fail)	v=spf1 a mx ip4:84.118.207.6 -all
?all (neutral)	v=spf1 a mx ip4:84.118.207.6 ?all

📨 DMARC

Policy	Record (_dmarc.s-tec.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=none;pct=50;adkim=r;aspf=r;

📬 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)

🔐 DNSSEC181ms

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	2026042100
Primary NS (MNAME)	ns1.your-server.de
Responsible (RNAME)	postmaster@your-server.de
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

98ms

A

100ms

MX

95ms

AAAA

104ms

TXT

381ms

CAA

114ms

HTTPS

90ms

TLSA

209ms

SOA

0ms

MTA-STS

127ms

DNSSEC

181ms

SRV

181ms

Total

1238ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:48:07	1238ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 03:31:06	1974ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 20:06:29	3136ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 19:11:34	905ms	3 NS 1 A 1 MX	🔓 Insecure	View