cembre.dk

Records from scan: 2026-10-04 04:53:57 · 536ms total · last checked 2026-10-23 01:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cembre.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 22 June 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

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 129ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.cembre.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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#

checked 2026-10-16 05:51:19

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cembre.dk: 94.231.103.100 (AS48854) www.cembre.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

121ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 05:01:33

Field	Value
Registrar	Simply.com A/S
Registered	2012-06-22
Expires	2030-06-30 (1345d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

37ms

31ms

AAAA

26ms

TXT

129ms

CAA

38ms

HTTPS

38ms

TLSA

45ms

SOA

35ms

MTA-STS

47ms

DNSSEC

121ms

SRV

57ms

Total

536ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 04:53:57 shown	536ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-10 12:22:08	447ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 01:22:35	441ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:43:37	51269ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-16 20:05:48	277ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-16 20:01:39	1387ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-16 20:01:37	437ms	3 NS 1 A 0 MX	🔓 Insecure