s-teknik.dk DNS records

🖥️ Nameservers2 records 91ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	ns1.webipdns.com.au ns1.alba.bank	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	udns2.cscdns.net ns2.alba.bank	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records

🌍

No A records found

📧 MX Records3 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamexperts.com	154.59.104.23 2001:978:2:7::162:100	fe2-r3-in.ams14.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS43054 N-able Acquisition Company B.V. AS174 Cogent Communications, LLC
20	3600s	fallbackmx.spamexperts.eu	149.13.75.27 154.59.104.23 154.59.193.124 2001:978:2:2c::137:100 2001:978:2:6::f:124 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS43054 N-able Acquisition Company B.V. AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
30	3600s	lastmx.spamexperts.net	149.13.75.27 154.59.104.23 2001:550:2:3::62:100 2001:550:2:61::2fc:100 2001:978:2:2c::137:100 2001:978:2:7::162:100 38.71.16.244 38.89.254.156	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe2-r2-in.la10.l.antispamcloud.com — fe2-r3-in.ams14.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com fe2-r2-in.la10.l.antispamcloud.com fe1-r2-in.ch03.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS43054 N-able Acquisition Company B.V. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS16633 N-able Technologies, Inc. AS16633 N-able Technologies, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 249ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (s-teknik.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.s-teknik.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6759a1cccfc74@dmarc-dk.centerasecurity.com

📬 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)

🔐 DNSSEC200ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2019111021
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	premiumdns@support.neustar
Refresh	28800s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

91ms

A

88ms

MX

70ms

AAAA

84ms

TXT

249ms

CAA

76ms

HTTPS

78ms

TLSA

59ms

SOA

0ms

MTA-STS

92ms

DNSSEC

200ms

SRV

104ms

Total

1204ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 14:28:12	1204ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-17 15:05:27	634ms	2 NS 0 A 3 MX	🔓 Insecure	View