cybersitcen.dk DNS records

🖥️ Nameservers5 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records2 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	custmx.cscdns.net	198.58.121.58	—	AS63949 Akamai Connected Cloud

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	5.22.145.16
🔶 Autoconfig	5.22.145.121

🔷 AAAA Records (IPv6)2 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	600s	relay.mail-forwarder.io	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 Records1 records 307ms

TXT Record
v=spf1 mx -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cybersitcen.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

🔗 TLSA / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2025035771
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 RegistrationWHOIS fetched 2026-07-31 08:07:21

Field	Value
Registrar	Key-Systems GmbH
Registered	2018-09-28
Expires	2026-09-30 (28d)

📋 WHOIS

⏱️ Lookup Timing

NS

48ms

A

60ms

MX

46ms

AAAA

65ms

TXT

307ms

CAA

52ms

HTTPS

56ms

TLSA

475ms

SOA

0ms

MTA-STS

84ms

DNSSEC

93ms

SRV

112ms

Total

1415ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:40:28	1415ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-27 14:28:00	930ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-20 06:52:32	7586ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-14 00:07:23	2905ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-09 14:00:32	1301ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-31 08:06:39	16774ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-23 11:40:00	3124ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-16 05:24:29	1906ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-09 19:51:49	1290ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-03 11:43:26	8666ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-29 12:11:47	1076ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 19:44:03	1135ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-23 22:43:02	1109ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-19 09:09:16	1511ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 23:26:09	632ms	5 NS 2 A 1 MX	🔒 Secure	View