rs-c.dk
Last scanned: 2026-08-27 12:12:33  ·  1771ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers6 records   52ms
NameserverIP addressesPTRASN / ISP
a1-40.akam.net 193.108.91.40
2600:1401:2::28		 a1-40.akam.net
a1-40.akam.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
a11-67.akam.net 2600:1480:1::43
84.53.139.67		 a11-67.akam.net
ns4-67.akam.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
a16-64.akam.net 23.211.132.64
2600:1406:1b::40		 a16-64.akam.net
a16-64.akam.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
a20-65.akam.net 2a02:26f0:67::41
95.100.175.65		 a20-65.akam.net
a20-65.akam.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
a24-66.akam.net 2.16.130.66
2600:1480:9800::42		 a24-66.akam.net
a24-66.akam.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
a9-67.akam.net 184.85.248.67
2a02:26f0:117::43		 ns5-67.akam.net
a9-67.akam.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
🌍 A Records
🌍
No A records found
📧 MX Records1 records   73ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   230ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (rs-c.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.rs-c.dk)
p=reject v=DMARC1; p=reject; rua=mailto:bb76c174f2a7733@rep.dmarcanalyzer.com; ruf=mailto:bb76c174f2a7733@for.dmarcanalyzer.com; fo=1
📬 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)
🔐 DNSSEC141ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2019043004
Primary NS (MNAME)a1-40.akam.net
Responsible (RNAME)postmaster@electrocomponents.com
Refresh3600s
Retry1200s
Expire1728000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
52ms
A
51ms
MX
73ms
AAAA
47ms
TXT
230ms
CAA
53ms
HTTPS
66ms
TLSA
39ms
SOA
0ms
MTA-STS
78ms
DNSSEC
141ms
SRV
104ms
Total
1771ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 12:12:33 1771ms 6 NS 0 A 1 MX 🔓 Insecure View
2026-06-21 23:21:06 835ms 6 NS 0 A 1 MX 🔓 Insecure View
2026-06-17 22:15:20 3452ms 6 NS 0 A 0 MX ⚠️ Bogus View
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