`mail.circle-books.com`

DNSSEC	⚠️ Not signed
A	79.170.40.74^{🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited}
		PTR	`mailforwards.extendcp.co.uk`

`circle-books.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:36fe^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:aa04^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.254^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.4^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`boyd.ns.cloudflare.com` ⭐
NS	`jasmine.ns.cloudflare.com`
MX	`mail.circle-books.com` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.254, 172.67.170.4
		IPv6 hints	2606:4700:3030::6815:36fe, 2606:4700:3037::ac43:aa04
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`boyd.ns.cloudflare.com`dns@cloudflare.com serial=2411030390

MX for

circle-books.com

Same first word

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DNS History

3 records (1 active, 2 former)

○A213.246.110.2442016-06-21 → 2016-06-21 · 4 obs

○ 2016-01-15 15:53:00
● 2016-06-21 09:00:34
○ 2026-03-12 22:19:16
○ 2026-08-09 03:50:20

●A79.170.40.742026-03-12 → 2026-08-09 · 3 obs

○ 2016-06-21 09:00:34
● 2026-03-12 22:19:16
● 2026-08-09 03:50:20

○A85.233.166.2482015-06-15 → 2016-01-15 · 4 obs

● 2015-06-15 00:26:24
● 2016-01-15 15:53:00
○ 2016-06-21 09:00:34
○ 2026-08-09 03:50:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...	-
circle-books.com	boyd.ns.cloudflare.com, jasmine.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.75

NS records: boyd.ns.cloudflare.com, jasmine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circle-books.com (unsigned zone)

⏱️ Timing

Total: 116ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.170.40.74`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.circle-books.com is a mail server for circle-books.com.

IP Addresses

mail.circle-books.com directs to one IP number, which is 79.170.40.74.

Among the host names that share IP numbers with mail.circle-books.com are mail.buzzconferencecall.com, mail.bingocaribbeanzero.com, mail.csl-web.net and two others.

mail.circle-books.com - robtex.com