`mail.contentwriter.nl`

DNSSEC	⚠️ Not signed
A	178.211.137.171^{🇵🇱 LHPL178.211.137.0/24}
		PTR	`main131.lh.pl`

`contentwriter.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:332c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:dcb8^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.44^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.184^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melnicoff.ns.cloudflare.com` ⭐
NS	`vida.ns.cloudflare.com`
MX	`mail18.lh.pl` ⭐
TXT	`google-site-verification=4LZCvjcWXIJHFU8wOgSfwj2t9ojj3haZ-zwrCKKbkrc`
TXT	`v=spf1 -all`
TXT	`v=spf1 include:_spf.lh.pl -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.44, 172.67.220.184
		IPv6 hints	2606:4700:3032::6815:332c, 2606:4700:3033::ac43:dcb8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOA	`melnicoff.ns.cloudflare.com`dns@cloudflare.com serial=2409066338

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DNS History

1 record (1 active, 0 former)

●A178.211.137.1712026-02-22 → 2026-07-19 · 2 obs

● 2026-02-22 03:55:42
● 2026-07-19 16:19:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
contentwriter.nl	vida.ns.cloudflare.com, melnicoff.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.174

NS records: vida.ns.cloudflare.com, melnicoff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentwriter.nl (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.211.137.171`

Analysis

IP Addresses

mail.contentwriter.nl has exactly one IP address — 178.211.137.171.

elewacje-alles.pl, mbol.pl, visson.pl plus two other host names have IP numbers in common with mail.contentwriter.nl.

mail.contentwriter.nl - robtex.com