`biggedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:9319^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4fba^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.186^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.25^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c169^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2169^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brad.ns.cloudflare.com`
		A	108.162.193.105^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	172.64.33.105^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
		A	173.245.59.105^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brad.ns.cloudflare.com`
NS	`gina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c075^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2075^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gina.ns.cloudflare.com`
		A	108.162.192.117^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	172.64.32.117^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	173.245.58.117^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`google-site-verification=mKC0sVchLdplwPcTX0uXGQXrRNniKzaSTGCaccxJS6Y`
TXT	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.186, 172.67.147.25
		IPv6 hints	2606:4700:3036::ac43:9319, 2606:4700:3037::6815:4fba
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`brad.ns.cloudflare.com`dns@cloudflare.com serial=2401429006

`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=1778624126

Same first word

biggedu.com

Similar names

bgguide.org

gbguide.com

edubigg.com

DNS History

21 records (8 active, 13 former)

●NSbrad.ns.cloudflare.com2016-04-29 → 2026-05-12 · 3 obs

○ 2016-02-08 14:10:48
● 2016-04-29 18:04:00
● 2026-05-12 22:18:24

●NSgina.ns.cloudflare.com2016-04-29 → 2026-05-12 · 3 obs

○ 2016-02-08 14:10:48
● 2016-04-29 18:04:00
● 2026-05-12 22:18:24

○NSpdns01.domaincontrol.com2015-06-13 → 2016-02-08 · 4 obs

● 2015-06-13 04:08:00
● 2016-02-08 14:10:48
○ 2016-04-29 18:04:00
○ 2026-05-12 22:18:24

○NSpdns02.domaincontrol.com2015-06-13 → 2016-02-08 · 4 obs

● 2015-06-13 04:08:00
● 2016-02-08 14:10:48
○ 2016-04-29 18:04:00
○ 2026-05-12 22:18:24

○MXms1.maxabout.com2015-06-13 → 2016-02-08 · 4 obs

● 2015-06-13 04:08:00
● 2016-02-08 14:10:48
○ 2016-04-29 18:04:00
○ 2026-05-12 22:18:24

●MXmx1.improvmx.com2026-04-14 → 2026-05-12 · 3 obs

○ 2016-04-29 18:04:00
● 2026-04-14 04:54:44
● 2026-05-12 22:18:24

●MXmx2.improvmx.com2026-04-14 → 2026-05-12 · 3 obs

○ 2016-04-29 18:04:00
● 2026-04-14 04:54:44
● 2026-05-12 22:18:24

●A104.21.79.1862026-04-14 → 2026-05-12 · 3 obs

○ 2018-01-11 22:54:10
● 2026-04-14 04:54:44
● 2026-05-12 22:18:24

○A104.27.150.1312018-01-11 → 2018-01-11 · 4 obs

○ 2017-01-01 16:26:16
● 2018-01-11 22:54:10
○ 2026-04-14 04:54:44
○ 2026-05-12 22:18:24

○A104.27.151.1312018-01-11 → 2018-01-11 · 4 obs

○ 2017-01-01 16:26:16
● 2018-01-11 22:54:10
○ 2026-04-14 04:54:44
○ 2026-05-12 22:18:24

○A104.31.186.722017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-29 18:04:00
● 2017-01-01 16:26:16
○ 2018-01-11 22:54:10
○ 2026-05-12 22:18:24

○A104.31.187.722017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-29 18:04:00
● 2017-01-01 16:26:16
○ 2018-01-11 22:54:10
○ 2026-05-12 22:18:24

○A119.81.60.592015-06-13 → 2016-02-08 · 4 obs

● 2015-06-13 04:08:00
● 2016-02-08 14:10:48
○ 2016-04-29 18:04:00
○ 2026-05-12 22:18:24

○A128.199.254.102016-04-29 → 2016-04-29 · 4 obs

○ 2016-02-08 14:10:48
● 2016-04-29 18:04:00
○ 2017-01-01 16:26:16
○ 2026-05-12 22:18:24

●A172.67.147.252026-04-14 → 2026-05-12 · 3 obs

○ 2018-01-11 22:54:10
● 2026-04-14 04:54:44
● 2026-05-12 22:18:24

○A2400:cb00:2048:1::681b:96832018-01-11 → 2018-01-11 · 4 obs

○ 2017-01-01 16:26:16
● 2018-01-11 22:54:10
○ 2026-04-14 04:54:44
○ 2026-05-12 22:18:24

○A2400:cb00:2048:1::681b:97832018-01-11 → 2018-01-11 · 4 obs

○ 2017-01-01 16:26:16
● 2018-01-11 22:54:10
○ 2026-04-14 04:54:44
○ 2026-05-12 22:18:24

○A2400:cb00:2048:1::681f:ba482017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-29 18:04:00
● 2017-01-01 16:26:16
○ 2018-01-11 22:54:10
○ 2026-05-12 22:18:24

○A2400:cb00:2048:1::681f:bb482017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-29 18:04:00
● 2017-01-01 16:26:16
○ 2018-01-11 22:54:10
○ 2026-05-12 22:18:24

●A2606:4700:3036::ac43:93192026-04-14 → 2026-05-12 · 3 obs

○ 2018-01-11 22:54:10
● 2026-04-14 04:54:44
● 2026-05-12 22:18:24

●A2606:4700:3037::6815:4fba2026-04-14 → 2026-05-12 · 3 obs

○ 2018-01-11 22:54:10
● 2026-04-14 04:54:44
● 2026-05-12 22:18:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
biggedu.com	brad.ns.cloudflare.com, gina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.117

NS records: brad.ns.cloudflare.com, gina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biggedu.com (unsigned zone)

⏱️ Timing

Total: 707ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.147.25, 104.21.79.186`
AAAA	2	`2606:4700:3037::6815:4fba, 2606:4700:3036::ac43:9319`
NS	2	`brad.ns.cloudflare.com, gina.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	2	`google-site-verification=mKC0sVchLdplwPc, v=spf1 include:spf.improvmx.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brad.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

biggedu.com maps to four IP numbers: 2606:4700:3036::ac43:9319, 2606:4700:3037::6815:4fba, 104.21.79.186 and 172.67.147.25.

other host names include mail.sofaysillon.com, hellspinonline.com, igvefmail5.ntc.ac.th, www.fbviralnews.com and bb.ccc.dddd.rms.ntc.ac.th; they share IP numbers with biggedu.com.

Name Servers

Two name servers brad.ns.cloudflare.com and gina.ns.cloudflare.com handle the delegation for biggedu.com.

biggedu.com shares the same name server setup as other domains, for instance surgeconf.com, kawamoto-kozai.co.jp, kyoetsu.com, almic.co.jp and e-naka.net.

biggedu.com at least partially shares name servers with other domains, for instance 813sun.com, tebiev.ru, xdroid.ru, wirelessbase.co.uk and 197tk.com.

These name servers are commonly used alongside pablo.ns.cloudflare.com, emma.ns.cloudflare.com and dave.ns.cloudflare.com.

Six IP addresses per host:

brad.ns.cloudflare.com points to 2606:4700:58::adf5:3b69, 2803:f800:50::6ca2:c169, 2a06:98c1:50::ac40:2169, 108.162.193.105, 172.64.33.105 and 173.245.59.105; gina.ns.cloudflare.com points to 2606:4700:50::adf5:3a75, 2803:f800:50::6ca2:c075, 2a06:98c1:50::ac40:2075, 108.162.192.117, 172.64.32.117 and 173.245.58.117

Mail Servers

biggedu.com is handled by two mail servers: mx1.improvmx.com and mx2.improvmx.com.

biggedu.com uses the same mail server setup as other domains, for instance marcsello.com, yarona.com, ilmiopreventivo.app, reki.me and maxgo.io.

biggedu.com shares at least some mail servers with other domains, including lawfecta.com and meacaofg.shop.

Six IP addresses per host:

mx1.improvmx.com points to 2a05:d012:412:e201:88aa:e7b9:7a43:12d7, 2a05:d012:412:e202:f36:2c1f:1a49:d38a, 2a05:d012:412:e203:373a:f51a:4a85:1d25, 13.37.195.136, 15.236.236.160 and 35.181.18.45; mx2.improvmx.com points to 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678, 2a05:d012:412:e202:e81e:cc44:3b53:8a3d, 2a05:d012:412:e203:7e33:3d9c:28d7:ee20, 13.36.107.63, 13.36.222.39 and 15.236.61.92

biggedu.com - robtex.com

biggedu.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`biggedu.com`

`com`