cpt-as.dk

📜 Historical scan 2026-09-17 13:34:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cpt-as.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 100.24.208.97 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by cptas-dk0i.mail.protection.outlook.com. 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#

4 records 37ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
100.24.208.97	3600s	staticip2.multiscreensite.com	AS14618	Amazon.com, Inc.	100.24.0.0/13	🇺🇸 United States	Ashburn
35.172.94.1	3600s	staticip.multiscreensite.com	AS14618	Amazon.com, Inc.	35.168.0.0/13	🇺🇸 United States	Ashburn

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cptas-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca21::10 2a01:111:f403:ca21::a 52.101.185.21 52.101.209.31 52.101.68.25 52.101.91.159	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 130ms

TXT Record
MS=ms21555135
v=spf1 include:spf.protection.outlook.com ip4:87.62.170.226 include:amazonses.com-all

✉️ SPF#

Policy	Record (cpt-as.dk)
no all — incomplete SPF	v=spf1 include:spf.protection.outlook.com ip4:87.62.170.226 include:amazonses.com-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 2026-10-12 14:52:11

www CNAME	s.multiscreensite.com (all on multiscreensite.com) → 13.248.175.166 76.223.58.8 (AS16509)
www vs bare domain	Different networks cpt-as.dk: 100.24.208.97 35.172.94.1 (AS14618) www.cpt-as.dk: 13.248.175.166 76.223.58.8 (AS16509) (all like this)
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: 2/10 · policy: none

error include:amazonses.com-all has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024120400
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

43ms

44ms

AAAA

37ms

TXT

130ms

CAA

38ms

HTTPS

42ms

TLSA

1172ms

SOA

0ms

MTA-STS

50ms

DNSSEC

76ms

SRV

51ms

Total

1652ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:52:11	1330ms	4 NS 2 A 1 MX	🔒 Secure
2026-10-01 21:12:50	895ms	4 NS 2 A 1 MX	🔒 Secure
2026-09-17 13:34:42 shown	1652ms	4 NS 2 A 1 MX	🔒 Secure
2026-09-01 22:46:54	2816ms	4 NS 2 A 1 MX	🔒 Secure
2026-08-25 16:08:28	940ms	4 NS 2 A 1 MX	🔒 Secure
2026-07-01 07:24:37	788ms	4 NS 2 A 1 MX	🔒 Secure
2026-06-16 22:46:30	663ms	4 NS 2 A 1 MX	🔒 Secure