sidetester.dk

📜 Historical scan 2026-08-26 06:26:16 · ← 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 62ms

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 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.83	38400s	web01.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	38400s	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 326ms

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#

117ms

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

🏷️ SOA#

0ms

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#

62ms

86ms

67ms

AAAA

60ms

TXT

326ms

CAA

70ms

HTTPS

66ms

TLSA

194ms

SOA

0ms

MTA-STS

86ms

DNSSEC

117ms

SRV

110ms

Total

1633ms

🕐 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 shown	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	1864ms	3 NS 1 A 1 MX	🔓 Insecure