`simonandschusterspeakers.com`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com` ⚠️ Not in parent delegation
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2023-03-03 #1

`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=1785976804

Same first word

simonandschusterspeakers.com

DNS History

8 records (8 active, 0 former)

●NSns1.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●NSns2.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●NSns3.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●NSns4.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●NSns5.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●NSns6.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●NSns7.markmonitor.com2026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

●A3.33.139.322026-05-06 → 2026-08-06 · 2 obs

● 2026-05-06 09:24:38
● 2026-08-06 00:43:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
simonandschusterspeakers.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com	8 records

✅ Authoritative Response

Server:149.112.161.1

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simonandschusterspeakers.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	7	`ns5.markmonitor.com, ns7.markmonitor.com...`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

simonandschusterspeakers.com resolves to just one IP address, 3.33.139.32.

Two other host names, along with zefa.ch, www.panera.com and lensrentals.university, also share IP numbers with simonandschusterspeakers.com.

Name Servers

simonandschusterspeakers.com is served by 7 authoritative name servers — among them ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

At least some of simonandschusterspeakers.com's name servers are shared with other domains, for example banquedirecte.org, ciscosystems.tv, ziphiring.com and two more.

These name servers are often deployed together with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names that have two IP addresses:

ns1.markmonitor.com resolves to two addresses: 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com resolves to two addresses: 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com resolves to two addresses: 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com resolves to two addresses: 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com resolves to two addresses: 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com resolves to two addresses: 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com resolves to two addresses: 149.112.161.2 and 2620:10a:80a9::2.

simonandschusterspeakers.com - robtex.com