rs-c.dk

📜 Historical scan 2026-09-10 22:42:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rs-c.dk is a .dk domain served by 6 nameservers (a1-40.akam.net, a11-67.akam.net, a16-64.akam.net and 3 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

6 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
a1-40.akam.net	193.108.91.40 2600:1401:2::28	a1-40.akam.net ns1-40.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
a11-67.akam.net	2600:1480:1::43 84.53.139.67	ns4-67.akam.net a11-67.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 ns5-67.akam.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 Records#

1 records 189ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (rs-c.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 10:58:29

www	217.112.89.227 (AS29550) (address records, no CNAME)
www vs bare domain	Only www resolves rs-c.dk: no address www.rs-c.dk: 217.112.89.227 (AS29550) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2019043004
Primary NS (MNAME)	a1-40.akam.net
Responsible (RNAME)	postmaster@electrocomponents.com
Refresh	3600s
Retry	1200s
Expire	1728000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

46ms

39ms

AAAA

52ms

TXT

189ms

CAA

45ms

HTTPS

49ms

TLSA

41ms

SOA

0ms

MTA-STS

63ms

DNSSEC

67ms

SRV

73ms

Total

1063ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:58:29	712ms	6 NS 0 A 1 MX	🔓 Insecure
2026-10-01 07:51:55	873ms	6 NS 0 A 1 MX	🔓 Insecure
2026-09-10 22:42:55 shown	1063ms	6 NS 0 A 1 MX	🔓 Insecure
2026-08-27 12:12:33	1771ms	6 NS 0 A 1 MX	🔓 Insecure
2026-06-21 23:21:06	835ms	6 NS 0 A 1 MX	🔓 Insecure
2026-06-17 22:15:20	3452ms	6 NS 0 A 0 MX	⚠️ Bogus