`marksullivanbooks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:afe4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:504c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.76^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.228^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c052^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2052^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chan.ns.cloudflare.com`
		A	108.162.192.82^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	172.64.32.82^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	173.245.58.82^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
NS	`dion.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dion.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dion.ns.cloudflare.com`
		A	108.162.193.156^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	172.64.33.156^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	173.245.59.156^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`google-site-verification=i2bGeW42E9nZ4Sj5rDQNea6-KpcgyH1MWzdp5TY7u_g`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.80.76, 172.67.175.228
		IPv6	2606:4700:3030::ac43:afe4, 2606:4700:3032::6815:504c
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2397008977

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

www.marksullivanbooks.com

Same first word

marksullivanbooks.com

DNS History

11 records (8 active, 3 former)

●NSchan.ns.cloudflare.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-01-27 06:33:02
● 2026-02-15 07:06:38
● 2026-03-18 20:33:08

●NSdion.ns.cloudflare.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-01-27 06:33:02
● 2026-02-15 07:06:38
● 2026-03-18 20:33:08

○NSns41.domaincontrol.com2015-05-23 → 2017-01-27 · 4 obs

● 2015-05-23 06:56:32
● 2017-01-27 06:33:02
○ 2026-02-15 07:06:38
○ 2026-03-18 20:33:08

○NSns42.domaincontrol.com2015-05-23 → 2017-01-27 · 4 obs

● 2015-05-23 06:56:32
● 2017-01-27 06:33:02
○ 2026-02-15 07:06:38
○ 2026-03-18 20:33:08

●MXmailstore1.secureserver.net2015-05-23 → 2026-03-18 · 2 obs

● 2015-05-23 06:56:32
● 2026-03-18 20:33:08

●MXsmtp.secureserver.net2015-05-23 → 2026-03-18 · 2 obs

● 2015-05-23 06:56:32
● 2026-03-18 20:33:08

●A104.21.80.762026-02-15 → 2026-03-18 · 3 obs

○ 2017-01-27 06:33:02
● 2026-02-15 07:06:38
● 2026-03-18 20:33:08

●A172.67.175.2282026-02-15 → 2026-03-18 · 3 obs

○ 2017-01-27 06:33:02
● 2026-02-15 07:06:38
● 2026-03-18 20:33:08

○A184.168.207.12015-05-23 → 2017-01-27 · 4 obs

● 2015-05-23 06:56:32
● 2017-01-27 06:33:02
○ 2026-02-15 07:06:38
○ 2026-03-18 20:33:08

●A2606:4700:3030::ac43:afe42026-02-15 → 2026-03-18 · 3 obs

○ 2017-01-27 06:33:02
● 2026-02-15 07:06:38
● 2026-03-18 20:33:08

●A2606:4700:3032::6815:504c2026-02-15 → 2026-03-18 · 3 obs

○ 2017-01-27 06:33:02
● 2026-02-15 07:06:38
● 2026-03-18 20:33:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
marksullivanbooks.com	chan.ns.cloudflare.com, dion.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.156

NS records: chan.ns.cloudflare.com, dion.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for marksullivanbooks.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.228, 104.21.80.76`
AAAA	2	`2606:4700:3030::ac43:afe4, 2606:4700:3032::6815:504c`
NS	2	`chan.ns.cloudflare.com, dion.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	1	`google-site-verification=i2bGeW42E9nZ4Sj`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

marksullivanbooks.com is the parent of www.marksullivanbooks.com.

IP Addresses

Four IP numbers are pointed to by marksullivanbooks.com: 2606:4700:3030::ac43:afe4, 2606:4700:3032::6815:504c, 104.21.80.76 and 172.67.175.228.

other host names including ggbetcuy.com, www.unibuy.cc, www.oncloudsys.com, airtraffic.space and cheesycharliemenu.com share IP numbers with marksullivanbooks.com.

Name Servers

marksullivanbooks.com is delegated to two name servers chan.ns.cloudflare.com and dion.ns.cloudflare.com.

marksullivanbooks.com shares the same name server setup as other domains, for instance unnull.com, kristinhannah.com, bookreporter.com, easysoftware.com.np and tommyspaulding.com.

marksullivanbooks.com at least partially shares name servers with other domains, for instance ertanlaryapimarket.com, mtgpc.com, nldft.com, tvc.coop and centralmare.com.

these name servers are often used together with merlin.ns.cloudflare.com, josephine.ns.cloudflare.com, theo.ns.cloudflare.com and cody.ns.cloudflare.com.

Host names with six IP numbers:

Host name chan.ns.cloudflare.com points to: 2606:4700:50::adf5:3a52, 2803:f800:50::6ca2:c052, 2a06:98c1:50::ac40:2052, 108.162.192.82, 172.64.32.82 and 173.245.58.82.

Host name dion.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9c, 2803:f800:50::6ca2:c19c, 2a06:98c1:50::ac40:219c, 108.162.193.156, 172.64.33.156 and 173.245.59.156.

Mail Servers

Two mail servers handle marksullivanbooks.com: mailstore1.secureserver.net and smtp.secureserver.net.

marksullivanbooks.com shares the same mail server setup as other domains, for instance myreclist.com, aaastems.com, falcondates.net, mindapp.net and ofsm.com.

Host names with three IPs:

mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162.

smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

marksullivanbooks.com - robtex.com