cissp.dk

📜 Historical scan 2026-06-18 15:01:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cissp.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.179.219.240 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by asav01.potestas.dk. The zone is DNSSEC-signed and validates, 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#

2 records 152ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 161ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.179.219.240	3600s	188-179-219-240-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	188.176.0.0/13	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records#

1 records 119ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	asav01.potestas.dk	77.83.76.244	avs.sipato.com	AS50364 Sipato ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	188.179.219.240
🔶 Autoconfig	188.179.219.240

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 949ms

TXT Record
MS=ms88263785
v=spf1 a mx -all

✉️ SPF#

Policy	Record (cissp.dk)
-all (hard fail)	v=spf1 a mx -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 2026-10-13 23:45:28

www	188.179.219.240 (AS3292) (address records, no CNAME)
www vs bare domain	Same network cissp.dk: 188.179.219.240 (AS3292) www.cissp.dk: 188.179.219.240 (AS3292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

931ms

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

🏷️ SOA#

184ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-14 00:04:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-03-27
Expires	2030-03-31 (1260d)

📋 WHOIS#

⏱️ Lookup Timing#

152ms

161ms

119ms

AAAA

163ms

TXT

949ms

CAA

212ms

HTTPS

364ms

TLSA

857ms

SOA

184ms

MTA-STS

185ms

DNSSEC

931ms

SRV

595ms

Total

4266ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 23:45:28	427ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:56:20	569ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 16:01:15	1244ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 22:11:14	835ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 11:51:14	8570ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 15:01:34 shown	4266ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:55:33	538ms	2 NS 1 A 1 MX	🔒 Secure