jcs.dk DNS records

🖥️ Nameservers2 records 200ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sam.ns.cloudflare.com	108.162.193.141 172.64.33.141 173.245.59.141 2606:4700:58::adf5:3b8d 2803:f800:50::6ca2:c18d 2a06:98c1:50::ac40:218d	sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 241ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.110.77	300s	static.77.110.88.23.clients.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 271ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	300s	mailserver.purelymail.com	18.204.123.63	ec2-18-204-123-63.compute-1.amazonaws.com	AS14618 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 875ms

TXT Record
purelymail_ownership_proof=9e54313e55bf7f412fa482b47c8c20b0ebbfecb4ae93a26fb2573600c95117644e5e61ddbb0046c43411d16e0b204855263fc2e4c7ec5e15927eaf764eaad4e3
v=spf1 include:_spf.purelymail.com ~all

✉️ SPF

Policy	Record (jcs.dk)
~all (soft fail)	v=spf1 include:_spf.purelymail.com ~all

📨 DMARC

Policy	Record (_dmarc.jcs.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@purelymail.com

📬 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)

🔐 DNSSEC436ms

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

🏷️ SOA0ms

Field	Value
Serial	2412889829
Primary NS (MNAME)	lucy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

200ms

A

241ms

MX

271ms

AAAA

277ms

TXT

875ms

CAA

262ms

HTTPS

263ms

TLSA

413ms

SOA

0ms

MTA-STS

311ms

DNSSEC

436ms

SRV

318ms

Total

5222ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 05:00:20	5222ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 22:06:28	8887ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 17:33:56	1198ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 01:26:33	899ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 05:48:56	927ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 00:17:17	995ms	2 NS 1 A 1 MX	🔒 Secure	View