`mail.openchapters.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1a99^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:888a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.153^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.138^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.26.153, 172.67.136.138
		IPv6	2606:4700:3032::6815:1a99, 2606:4700:3032::ac43:888a

`openchapters.org`

	DNSSEC	⚠️ Not signed
	A	108.86.105.122^{🇺🇸 AS7018108.64.0.0/11}
	NS	`jean.ns.cloudflare.com` ⭐
	NS	`koa.ns.cloudflare.com`
	MX	`_dc-mx.eb2cf044cf8b.openchapters.org` ⭐
	TXT	`v=spf1 a mx ptr include:bluehost.com ?all`
	SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2396359953

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DNS History

5 records (4 active, 1 former)

●A104.21.26.1532026-02-19 → 2026-03-29 · 3 obs

○ 2016-05-04 02:00:28
● 2026-02-19 23:45:14
● 2026-03-29 18:01:48

●A172.67.136.1382026-02-19 → 2026-03-29 · 3 obs

○ 2016-05-04 02:00:28
● 2026-02-19 23:45:14
● 2026-03-29 18:01:48

●A2606:4700:3032::6815:1a992026-02-19 → 2026-03-29 · 3 obs

○ 2016-05-04 02:00:28
● 2026-02-19 23:45:14
● 2026-03-29 18:01:48

●A2606:4700:3032::ac43:888a2026-02-19 → 2026-03-29 · 3 obs

○ 2016-05-04 02:00:28
● 2026-02-19 23:45:14
● 2026-03-29 18:01:48

○A69.89.31.2202015-08-03 → 2016-05-04 · 4 obs

● 2015-08-03 13:26:26
● 2016-05-04 02:00:28
○ 2026-02-19 23:45:14
○ 2026-03-29 18:01:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
openchapters.org	jean.ns.cloudflare.com, koa.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.242

NS records: jean.ns.cloudflare.com, koa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openchapters.org (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.153, 172.67.136.138`
AAAA	2	`2606:4700:3032::6815:1a99, 2606:4700:3032::ac43:888a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.openchapters.org maps to four IP numbers: 2606:4700:3032::6815:1a99, 2606:4700:3032::ac43:888a, 104.21.26.153 and 172.67.136.138.

other host names include needassignmenthelp.com, cocoaoffice.com, fotolog.hu, mail.paradox.by and pedrojanot.com.br; they share IP numbers with mail.openchapters.org.

mail.openchapters.org - robtex.com