`mail.blockchainschoolbcs.com`

DNSSEC	⚠️ Not signed
A	185.109.170.140^{🇬🇧 UKSERVERS-AS185.109.168.0/22 UK Dedicated Servers Limited}
		PTR	`ukdans100.directadminhostserver.com`

`blockchainschoolbcs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:87b8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1a54^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.84^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.184^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
NS	`sierra.ns.cloudflare.com`
MX	`mail.blockchainschoolbcs.com` ⭐
TXT	`brevo-code:079f8d4b0bdf557c10f0346d519ccd62`
TXT	`facebook-domain-verification=kgjjfjl6azpfqw57nla41qm47nurtc`
TXT	`google-site-verification=T4NnBV8Ba9IrSWWKM92Nea6yTm7R7heWyVTPdDn3hIA`
TXT	`google-site-verification=m_exVfgOR9qv-qsi6lLDl8HDCi9R7kJQxsB_nA0sNYU`
TXT	`v=spf1 a mx ip4:185.109.170.140 include:relay.mailchannels.net ip6:2a01:a500:...`
TXT	`zoho-verification=zb34375198.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.84, 172.67.135.184
		IPv6 hints	2606:4700:3031::ac43:87b8, 2606:4700:3035::6815:1a54
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2410403978

MX for

blockchainschoolbcs.com

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DNS History

1 record (1 active, 0 former)

●A185.109.170.1402026-04-15 → 2026-07-27 · 2 obs

● 2026-04-15 00:02:44
● 2026-07-27 11:44:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
blockchainschoolbcs.com	bart.ns.cloudflare.com, sierra.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.71

NS records: bart.ns.cloudflare.com, sierra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockchainschoolbcs.com (unsigned zone)

⏱️ Timing

Total: 411ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.109.170.140`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (bart.ns.cloudflare.com, bart.ns.cloudflare.com, bart.ns.cloudflare.com...)

Analysis

Mail Server Role

Mail for blockchainschoolbcs.com is routed through the mail server mail.blockchainschoolbcs.com.

IP Addresses

mail.blockchainschoolbcs.com has exactly one IP address — 185.109.170.140.

papillonnet.co.uk, snuffelkrant.nl, macmillanartshow.org.uk plus two other host names have IP numbers in common with mail.blockchainschoolbcs.com.

mail.blockchainschoolbcs.com - robtex.com