c-note.dk DNS records

🖥️ Nameservers3 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—

🌍 A Records

🌍

No A records found

📧 MX Records2 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
10	—	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 175ms

TXT Record
v=spf1 include:spf.messagingengine.com -all

✉️ SPF

Policy	Record (c-note.dk)
-all (hard fail)	v=spf1 include:spf.messagingengine.com -all

📨 DMARC

Policy	Record (_dmarc.c-note.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@c-note.dk; ruf=mailto:admin@c-note.dk; pct=100; fo=0;

📬 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 / DANE

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

🔐 DNSSEC123ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA38ms

Field	Value
Serial	2026061100
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

39ms

MX

37ms

AAAA

35ms

TXT

175ms

CAA

36ms

HTTPS

32ms

TLSA

43ms

SOA

38ms

MTA-STS

35ms

DNSSEC

123ms

SRV

0ms

Total

733ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:53:07	769ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-08-26 14:47:33	687ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-08-21 20:03:05	1522ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-08-20 20:00:20	1710ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-08-18 19:26:02	4000ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-07-16 04:14:38	1550ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-07-04 16:11:06	8772ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-07-03 09:01:28	767ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-28 09:01:26	3035ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-19 13:06:07	2098ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-16 18:49:18	561ms	3 NS 0 A 2 MX	🔒 Secure	View
2026-06-16 18:40:27	733ms	3 NS 0 A 2 MX	🔒 Secure	View