cyber-sitcen.dk

📜 Historical scan 2026-06-16 23:20:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cyber-sitcen.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 28 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.22.145.121 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by custmx.cscdns.net. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

5 records 83ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	—	—	—
ns2.brandshelter.de	—	—	—
ns3.brandshelter.info	—	—	—
ns4.brandshelter.net	—	—	—
ns5.brandshelter.us	—	—	—

🌍 A Records#

2 records 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	—	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	—	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	custmx.cscdns.net	198.58.121.58	198-58-121-58.ip.linodeusercontent.com	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)#

2 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	—	—	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	—	—	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2305ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (cyber-sitcen.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.cyber-sitcen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc-rua@fe-ddis.dk; ruf=mailto:dmarc-ruf@fe-ddis.dk; fo=1; pct=100

📬 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 2026-10-25 18:21:21

www	5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) (address records, no CNAME)
www vs bare domain	Same network cyber-sitcen.dk: 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509) www.cyber-sitcen.dk: 5.22.145.121 5.22.145.16 2a00:18e0:5:2:7577:4e4d:413b:f507 2a00:18e0:5:3:dfe2:c743:85aa:61bc (AS16509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

163ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

82ms

Field	Value
Serial	2025035757
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 17:35:05

Field	Value
Registrar	Key-Systems GmbH
Registered	2018-09-28
Expires	2027-09-30 (337d)

📋 WHOIS#

⏱️ Lookup Timing#

83ms

84ms

83ms

AAAA

84ms

TXT

2305ms

CAA

82ms

HTTPS

82ms

TLSA

123ms

SOA

82ms

MTA-STS

103ms

DNSSEC

163ms

SRV

0ms

Total

2764ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 18:21:21	953ms	5 NS 2 A 1 MX	🔒 Secure
2026-10-22 12:12:42	1959ms	5 NS 2 A 1 MX	🔒 Secure
2026-10-16 01:14:49	2094ms	5 NS 2 A 1 MX	🔒 Secure
2026-10-08 17:20:17	2410ms	5 NS 2 A 1 MX	🔒 Secure
2026-10-07 17:13:54	583ms	5 NS 2 A 1 MX	🔒 Secure
2026-10-01 05:04:18	3096ms	5 NS 2 A 1 MX	🔒 Secure
2026-09-28 04:27:34	1302ms	5 NS 2 A 1 MX	🔒 Secure
2026-09-24 17:53:49	778ms	5 NS 2 A 1 MX	🔒 Secure
2026-09-22 10:00:12	745ms	5 NS 2 A 1 MX	🔒 Secure
2026-09-19 17:39:16	1058ms	5 NS 2 A 1 MX	🔒 Secure
2026-09-12 21:51:10	1136ms	5 NS 2 A 1 MX	🔒 Secure
2026-09-09 01:52:52	2608ms	5 NS 2 A 1 MX	🔒 Secure
2026-08-28 07:14:34	984ms	5 NS 2 A 1 MX	🔒 Secure
2026-08-27 16:55:06	888ms	5 NS 2 A 1 MX	🔒 Secure
2026-08-20 21:47:58	2877ms	5 NS 2 A 1 MX	🔒 Secure
2026-08-14 16:21:29	1467ms	5 NS 2 A 1 MX	🔒 Secure
2026-08-06 16:36:41	1229ms	5 NS 2 A 1 MX	🔒 Secure
2026-07-30 12:20:38	1243ms	5 NS 2 A 1 MX	🔒 Secure
2026-07-24 00:19:42	2827ms	5 NS 2 A 1 MX	🔒 Secure
2026-07-18 00:43:51	1893ms	5 NS 2 A 1 MX	🔒 Secure
2026-07-11 16:40:48	1257ms	5 NS 2 A 1 MX	🔒 Secure
2026-07-03 17:53:30	10069ms	5 NS 2 A 1 MX	🔒 Secure
2026-06-28 02:03:58	1256ms	5 NS 2 A 1 MX	🔒 Secure
2026-06-24 22:13:23	894ms	5 NS 2 A 1 MX	🔒 Secure
2026-06-22 21:34:41	1138ms	0 NS 0 A 0 MX	❓ Unknown