casestudy.dk DNS records

🖥️ Nameservers2 records 37ms

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 Records1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
66.228.41.175	43200s	onepagerapp.com	AS63949	Akamai Connected Cloud	66.228.32.0/19	🇺🇸 United States	Cedar Knolls

📧 MX Records4 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 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

🔗 TLSA / DANE4 records 79ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

28ms

MX

34ms

AAAA

32ms

TXT

104ms

CAA

34ms

HTTPS

30ms

TLSA

79ms

SOA

0ms

MTA-STS

39ms

DNSSEC

97ms

SRV

38ms

Total

595ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:31:46	595ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-24 20:31:45	24604ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-17 15:56:36	6806ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 23:27:43	739ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 00:58:20	758ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 00:34:26	1049ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:50:36	4523ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 01:37:53	748ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 19:35:49	685ms	2 NS 1 A 4 MX	🔒 Secure	View