certas-energy.dk

📜 Historical scan 2026-06-24 15:58:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

certas-energy.dk is a .dk domain served by 3 nameservers (ns0.phase8.net, ns1.phase8.net, ns2.phase8.net). It was registered on 3 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.144.162.21 is hosted by British Telecommunications PLC (AS2856) in United Kingdom. Mail is handled by cust28654-1.in.mailcontrol.com, cust28654-2.in.mailcontrol.com. The zone is of unknown DNSSEC status, 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 235ms

Nameserver	IP addresses	PTR	ASN / ISP
ns0.phase8.net	81.88.63.114	ns0.phase8.net	AS39729 Register S.p.A.
ns1.phase8.net	85.233.160.68	ns1.phase8.net	AS8622 Team Blue Internet Services Uk Limited
ns2.phase8.net	91.186.2.48	ns2.phase8.net	AS29550 Team Blue Carrier Limited

🌍 A Records#

1 records 212ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.144.162.21	86400s	—	AS2856	British Telecommunications PLC	81.128.0.0/11	🇬🇧 United Kingdom	Enfield

📧 MX Records#

2 records 267ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	cust28654-1.in.mailcontrol.com	85.115.52.190	cluster-a.mailcontrol.com	AS44444 Forcepoint UK Limited
10	86400s	cust28654-2.in.mailcontrol.com	85.115.54.190	cluster-j.mailcontrol.com	AS44444 Forcepoint UK Limited

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-24 22:56:17

www	81.144.162.21 (AS2856) (address records, no CNAME)
www vs bare domain	Same network certas-energy.dk: 81.144.162.21 (AS2856) www.certas-energy.dk: 81.144.162.21 (AS2856)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

465ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'certas-energy.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

299ms

Field	Value
Serial	2019060502
Primary NS (MNAME)	ns0.phase8.net
Responsible (RNAME)	support@phase8.net
Refresh	28800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 18:04:26

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2013-09-03
Expires	2027-09-30 (339d)

📋 WHOIS#

⏱️ Lookup Timing#

235ms

212ms

267ms

AAAA

367ms

TXT

726ms

CAA

330ms

HTTPS

306ms

TLSA

462ms

SOA

299ms

MTA-STS

294ms

DNSSEC

465ms

SRV

369ms

Total

3731ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 22:56:17	3745ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-10 20:33:30	7178ms	3 NS 1 A 2 MX	🔓 Insecure
2026-07-03 01:42:06	2469ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-24 15:58:51 shown	3731ms	3 NS 1 A 2 MX	❓ Unknown
2026-06-22 15:09:20	1183ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 08:20:48	1144ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-20 21:10:55	954ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:10:23	696ms	3 NS 1 A 2 MX	🔓 Insecure