sidetester.dk

📜 Historical scan 2026-06-17 13:55:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidetester.dk is a .dk domain served by 3 nameservers (ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk). It was registered on 21 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.60.83 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.sidetester.dk. The zone is not DNSSEC-signed, has no 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#

3 records 141ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	ns1.c-system.dk	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	37.27.223.112	monitor.itout.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 137ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.83	—	web01.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records#

1 records 135ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.sidetester.dk	91.250.96.48	lvps91-250-96-48.dedicated.hosteurope.de	AS8972 Host Europe GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 605ms

TXT Record
v=spf1 a mx a:admin.c-system.dk a:mailgw1.c-system.dk a:mailgw2.c-system.dk -all

✉️ SPF#

Policy	Record (sidetester.dk)
-all (hard fail)	v=spf1 a mx a:admin.c-system.dk a:mailgw1.c-system.dk a:mailgw2.c-system.dk -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 17:18:59

www CNAME	sidetester.dk (all on sidetester.dk) → 49.12.60.83 (AS24940)
www vs bare domain	Same network sidetester.dk: 49.12.60.83 (AS24940) www.sidetester.dk: 49.12.60.83 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

215ms

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

🏷️ SOA#

123ms

Field	Value
Serial	2018061214
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	admin@c-system.dk
Refresh	10800s
Retry	3600s
Expire	1309600s
Minimum (neg-cache TTL)	38400s

📋 Registration#

WHOIS fetched 2026-10-09 18:01:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-05-21
Expires	2027-07-31 (286d)

📋 WHOIS#

⏱️ Lookup Timing#

141ms

137ms

135ms

AAAA

128ms

TXT

605ms

CAA

132ms

HTTPS

132ms

TLSA

218ms

SOA

123ms

MTA-STS

80ms

DNSSEC

215ms

SRV

0ms

Total

1864ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 17:18:59	896ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-08 13:38:19	1559ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-28 07:40:53	751ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-02 00:17:16	9557ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 10:48:41	1723ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 06:26:16	1633ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 11:02:31	1178ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 21:36:50	594ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:55:21 shown	1864ms	3 NS 1 A 1 MX	🔓 Insecure