`lecturebureaus.com`

DNSSEC	⚠️ Not signed
A	184.168.131.241^{🇺🇸 GODADDY184.168.128.0/22}
		PTR	`241.131.168.184.host.secureserver.net`
NS	`maisie.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2659^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maisie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c259^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maisie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2259^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maisie.ns.cloudflare.com`
		A	108.162.194.89^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maisie.ns.cloudflare.com`
		A	162.159.38.89^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maisie.ns.cloudflare.com`
		A	172.64.34.89^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maisie.ns.cloudflare.com`
NS	`patrick.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patrick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`patrick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`patrick.ns.cloudflare.com`
		A	108.162.195.200^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patrick.ns.cloudflare.com`
		A	162.159.44.200^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patrick.ns.cloudflare.com`
		A	172.64.35.200^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`patrick.ns.cloudflare.com`
TXT	`v=spf1 -all`
SOA	`maisie.ns.cloudflare.com`dns@cloudflare.com serial=2402924048

`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=1778373341

Same first word

lecturebureaus.com

Similar names

lecturesbureau.com

lecturesbureau.gr

DNS History

12 records (3 active, 9 former)

●NSmaisie.ns.cloudflare.com2026-05-08 → 2026-05-10 · 3 obs

○ 2026-04-10 22:10:52
● 2026-05-08 11:39:34
● 2026-05-10 00:45:24

○NSns-1009.awsdns-62.net2020-01-20 → 2026-04-10 · 5 obs

○ 2017-03-24 04:01:34
● 2020-01-20 16:50:08
● 2026-04-10 22:10:52
○ 2026-05-08 11:39:34
○ 2026-05-10 00:45:24

○NSns-1286.awsdns-32.org2020-01-20 → 2026-04-10 · 5 obs

○ 2017-03-24 04:01:34
● 2020-01-20 16:50:08
● 2026-04-10 22:10:52
○ 2026-05-08 11:39:34
○ 2026-05-10 00:45:24

○NSns-1566.awsdns-03.co.uk2020-01-20 → 2026-04-10 · 5 obs

○ 2017-03-24 04:01:34
● 2020-01-20 16:50:08
● 2026-04-10 22:10:52
○ 2026-05-08 11:39:34
○ 2026-05-10 00:45:24

○NSns-334.awsdns-41.com2020-01-20 → 2026-04-10 · 5 obs

○ 2017-03-24 04:01:34
● 2020-01-20 16:50:08
● 2026-04-10 22:10:52
○ 2026-05-08 11:39:34
○ 2026-05-10 00:45:24

○NSns41.domaincontrol.com2015-12-04 → 2017-03-24 · 4 obs

● 2015-12-04 14:01:34
● 2017-03-24 04:01:34
○ 2020-01-20 16:50:08
○ 2026-05-10 00:45:24

○NSns42.domaincontrol.com2015-12-04 → 2017-03-24 · 4 obs

● 2015-12-04 14:01:34
● 2017-03-24 04:01:34
○ 2020-01-20 16:50:08
○ 2026-05-10 00:45:24

●NSpatrick.ns.cloudflare.com2026-05-08 → 2026-05-10 · 3 obs

○ 2026-04-10 22:10:52
● 2026-05-08 11:39:34
● 2026-05-10 00:45:24

○MXmailstore1.secureserver.net2015-12-04 → 2017-03-24 · 4 obs

● 2015-12-04 14:01:34
● 2017-03-24 04:01:34
○ 2020-01-20 16:50:08
○ 2026-05-10 00:45:24

○MXsmtp.secureserver.net2015-12-04 → 2017-03-24 · 4 obs

● 2015-12-04 14:01:34
● 2017-03-24 04:01:34
○ 2020-01-20 16:50:08
○ 2026-05-10 00:45:24

●A184.168.131.2412020-01-20 → 2026-05-10 · 3 obs

○ 2017-03-24 04:01:34
● 2020-01-20 16:50:08
● 2026-05-10 00:45:24

○A50.63.202.312015-12-04 → 2017-03-24 · 4 obs

● 2015-12-04 14:01:34
● 2017-03-24 04:01:34
○ 2020-01-20 16:50:08
○ 2026-05-10 00:45:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
lecturebureaus.com	maisie.ns.cloudflare.com, patrick.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.200

NS records: maisie.ns.cloudflare.com, patrick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lecturebureaus.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`184.168.131.241`
NS	2	`maisie.ns.cloudflare.com, patrick.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
SOA	1	`maisie.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

lecturebureaus.com resolves to one IP number: 184.168.131.241.

other host names including mail.pretalen.com, polybuytlenesmyrnaga.com, eymv.com, napaharvestwinery.com and rushishah.com share IP numbers with lecturebureaus.com.

Name Servers

lecturebureaus.com is delegated to two name servers maisie.ns.cloudflare.com and patrick.ns.cloudflare.com.

lecturebureaus.com shares the same name server setup as other domains, for instance pressxtostart.com, medialink.nyc, wwwsokol.com, utaspeakers.com and greatertalent.nyc.

lecturebureaus.com at least partially shares name servers with other domains, for instance readsflare.com, ftlogistics.com, flowertransfer.com, dreamvelios.com and eestifotograafid.ee.

These name servers are commonly used with beau.ns.cloudflare.com, adele.ns.cloudflare.com and megan.ns.cloudflare.com.

Host names with six IP numbers:

Host name maisie.ns.cloudflare.com points to: 2606:4700:50::a29f:2659, 2803:f800:50::6ca2:c259, 2a06:98c1:50::ac40:2259, 108.162.194.89, 162.159.38.89 and 172.64.34.89.

Host name patrick.ns.cloudflare.com points to: 2606:4700:58::a29f:2cc8, 2803:f800:50::6ca2:c3c8, 2a06:98c1:50::ac40:23c8, 108.162.195.200, 162.159.44.200 and 172.64.35.200.

lecturebureaus.com - robtex.com