`prepgridiron.com`

DNSSEC	⚠️ Not signed
A	2606:4700:7::165^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2a06:98c1:58::165^{🇺🇸 Cloudflare2a06:98c1:58::/48}
A	162.159.141.105^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.66.1.101^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.invisioncic.com` ⭐
		A	2600:9000:5306:6b00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1643.awsdns-13.co.uk`
		A	205.251.198.107^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1643.awsdns-13.co.uk`
NS	`ns2.invisioncic.com`
		A	2600:9000:5301:6900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-361.awsdns-45.com`
		A	205.251.193.105^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-361.awsdns-45.com`
NS	`ns3.invisioncic.com`
		A	2600:9000:5305:2100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1313.awsdns-36.org`
		A	205.251.197.33^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1313.awsdns-36.org`
NS	`ns4.invisioncic.com`
		A	2600:9000:5302:2c00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-556.awsdns-05.net`
		A	205.251.194.44^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-556.awsdns-05.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁵⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
SOA	`ns1.invisioncic.com`hostmaster@invisioncic.com serial=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=1771291435

Same first word

prepgridiron.com

DNS History

21 records (13 active, 8 former)

●NSns1.invisioncic.com2026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

○NSns1.ipslink.com2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
○ 2026-03-01 04:05:54
○ 2026-03-21 21:55:52

●NSns2.invisioncic.com2026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

○NSns2.ipslink.com2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
○ 2026-03-01 04:05:54
○ 2026-03-21 21:55:52

●NSns3.invisioncic.com2026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

○NSns31.domaincontrol.com2015-08-18 → 2016-09-10 · 4 obs

● 2015-08-18 21:59:20
● 2016-09-10 20:10:30
○ 2017-04-20 12:54:46
○ 2026-03-21 21:55:52

○NSns32.domaincontrol.com2015-08-18 → 2016-09-10 · 4 obs

● 2015-08-18 21:59:20
● 2016-09-10 20:10:30
○ 2017-04-20 12:54:46
○ 2026-03-21 21:55:52

●NSns4.invisioncic.com2026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

●MXalt1.aspmx.l.google.com2017-04-20 → 2026-03-21 · 3 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
● 2026-03-21 21:55:52

●MXalt2.aspmx.l.google.com2017-04-20 → 2026-03-21 · 3 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
● 2026-03-21 21:55:52

●MXalt3.aspmx.l.google.com2017-04-20 → 2026-03-21 · 3 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
● 2026-03-21 21:55:52

●MXalt4.aspmx.l.google.com2017-04-20 → 2026-03-21 · 3 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
● 2026-03-21 21:55:52

●MXaspmx.l.google.com2017-04-20 → 2026-03-21 · 3 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
● 2026-03-21 21:55:52

○MXmailstore1.secureserver.net2015-08-18 → 2016-09-10 · 4 obs

● 2015-08-18 21:59:20
● 2016-09-10 20:10:30
○ 2017-04-20 12:54:46
○ 2026-03-21 21:55:52

○MXsmtp.secureserver.net2015-08-18 → 2016-09-10 · 4 obs

● 2015-08-18 21:59:20
● 2016-09-10 20:10:30
○ 2017-04-20 12:54:46
○ 2026-03-21 21:55:52

●A162.159.141.1052026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

●A172.66.1.1012026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

○A184.168.221.402015-08-18 → 2016-09-10 · 4 obs

● 2015-08-18 21:59:20
● 2016-09-10 20:10:30
○ 2017-04-20 12:54:46
○ 2026-03-21 21:55:52

●A2606:4700:7::1652026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

●A2a06:98c1:58::1652026-03-01 → 2026-03-21 · 3 obs

○ 2017-04-20 12:54:46
● 2026-03-01 04:05:54
● 2026-03-21 21:55:52

○A52.6.153.2232017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-10 20:10:30
● 2017-04-20 12:54:46
○ 2026-03-01 04:05:54
○ 2026-03-21 21:55:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
prepgridiron.com	ns1.invisioncic.com, ns2.invisioncic.com, ns3.invisioncic.com, ns4.invisioncic.com	8 records

✅ Authoritative Response

Server: 205.251.198.107

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prepgridiron.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.1.101, 162.159.141.105`
AAAA	2	`2a06:98c1:58::165, 2606:4700:7::165`
NS	4	`ns1.invisioncic.com, ns2.invisioncic.com...`
MX	5	`aspmx.l.google.com (pri: 0), alt2.aspmx.l.google.com (pri: 10)...`
SOA	1	`ns1.invisioncic.com hostmaster.invisionc`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.invisioncic.com, ns1.invisioncic.com, ns2.invisioncic.com...)

Analysis

IP Addresses

prepgridiron.com points to four IP numbers: 2606:4700:7::165, 2a06:98c1:58::165, 162.159.141.105 and 172.66.1.101.

Other host names, for instance webbotforum.com, adiforums.com, seeq.org, exhibitionbudgerigarforum.co.uk and bmw2002faq.com share IP numbers with prepgridiron.com.

Name Servers

prepgridiron.com is delegated to four name servers: ns1.invisioncic.com, ns2.invisioncic.com, ns3.invisioncic.com and ns4.invisioncic.com.

prepgridiron.com at least partially shares name servers with other domains, for instance ketaros.com, dieharddogs.com, nhbassfederation.invisionzone.com, copainsdabord.com and redrummodifications.com.

Host names with two IP numbers:

ns1.invisioncic.com points to: 2600:9000:5306:6b00::1 and 205.251.198.107.

ns2.invisioncic.com points to: 2600:9000:5301:6900::1 and 205.251.193.105.

ns3.invisioncic.com points to: 2600:9000:5305:2100::1 and 205.251.197.33.

ns4.invisioncic.com points to: 2600:9000:5302:2c00::1 and 205.251.194.44.

Mail Servers

prepgridiron.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

prepgridiron.com shares mail servers with other domains at least in part, for instance ariseasia.org, tanzuki.net, fotek.com.au, doktoredmond.com and faisi.com.