`theengineeringmaths.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2f27^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:aa5d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.39^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.93^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`james.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`james.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`james.ns.cloudflare.com`
		A	108.162.193.178^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	172.64.33.178^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	173.245.59.178^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
NS	`vivienne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2632^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c232^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vivienne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2232^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vivienne.ns.cloudflare.com`
		A	108.162.194.50^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	162.159.38.50^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	172.64.34.50^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.39, 172.67.170.93
		IPv6 hints	2606:4700:3032::6815:2f27, 2606:4700:3034::ac43:aa5d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=171, name=cloudflare-ech.com
SOA	`james.ns.cloudflare.com`dns@cloudflare.com serial=2401913467

`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=1777191466

rank #727218 globally
rank #326586 in the tld

Previously MX for

theengineeringmaths.com

Same first word

theengineeringmaths.com

DNS History

14 records (6 active, 8 former)

●NSjames.ns.cloudflare.com2026-02-18 → 2026-04-26 · 3 obs

○ 2017-12-13 22:34:42
● 2026-02-18 21:28:50
● 2026-04-26 08:42:48

○NSns1.cp-in-9.webhostbox.net2016-12-20 → 2017-12-13 · 4 obs

● 2016-12-20 20:51:18
● 2017-12-13 22:34:42
○ 2026-02-18 21:28:50
○ 2026-04-26 08:42:48

○NSns2.cp-in-9.webhostbox.net2016-12-20 → 2017-12-13 · 4 obs

● 2016-12-20 20:51:18
● 2017-12-13 22:34:42
○ 2026-02-18 21:28:50
○ 2026-04-26 08:42:48

●NSvivienne.ns.cloudflare.com2026-02-18 → 2026-04-26 · 3 obs

○ 2017-12-13 22:34:42
● 2026-02-18 21:28:50
● 2026-04-26 08:42:48

○MXtheengineeringmaths.com2016-12-20 → 2017-12-13 · 4 obs

● 2016-12-20 20:51:18
● 2017-12-13 22:34:42
○ 2026-02-18 21:28:50
○ 2026-04-26 08:42:48

●A104.21.47.392026-02-18 → 2026-04-26 · 7 obs

○ 2017-12-13 22:34:42
● 2026-02-18 21:28:50
● 2026-02-19 11:06:54
○ 2026-02-23 19:50:18
○ 2026-02-24 03:25:14
● 2026-04-24 20:12:14
● 2026-04-26 08:42:48

○A111.118.215.2222016-12-20 → 2017-12-13 · 4 obs

● 2016-12-20 20:51:18
● 2017-12-13 22:34:42
○ 2026-02-18 21:28:50
○ 2026-04-26 08:42:48

●A172.67.170.932026-02-18 → 2026-04-26 · 7 obs

○ 2017-12-13 22:34:42
● 2026-02-18 21:28:50
● 2026-02-19 11:06:54
○ 2026-02-23 19:50:18
○ 2026-02-24 03:25:14
● 2026-04-24 20:12:14
● 2026-04-26 08:42:48

○A188.114.96.02026-02-23 → 2026-02-24 · 5 obs

○ 2026-02-19 11:06:54
● 2026-02-23 19:50:18
● 2026-02-24 03:25:14
○ 2026-04-24 20:12:14
○ 2026-04-26 08:42:48

○A188.114.97.02026-02-23 → 2026-02-24 · 5 obs

○ 2026-02-19 11:06:54
● 2026-02-23 19:50:18
● 2026-02-24 03:25:14
○ 2026-04-24 20:12:14
○ 2026-04-26 08:42:48

●A2606:4700:3032::6815:2f272026-02-18 → 2026-04-26 · 7 obs

○ 2017-12-13 22:34:42
● 2026-02-18 21:28:50
● 2026-02-19 11:06:54
○ 2026-02-23 19:50:18
○ 2026-02-24 03:25:14
● 2026-04-24 20:12:14
● 2026-04-26 08:42:48

●A2606:4700:3034::ac43:aa5d2026-02-18 → 2026-04-26 · 7 obs

○ 2017-12-13 22:34:42
● 2026-02-18 21:28:50
● 2026-02-19 11:06:54
○ 2026-02-23 19:50:18
○ 2026-02-24 03:25:14
● 2026-04-24 20:12:14
● 2026-04-26 08:42:48

○A2a06:98c1:3120::2026-02-23 → 2026-02-24 · 5 obs

○ 2026-02-19 11:06:54
● 2026-02-23 19:50:18
● 2026-02-24 03:25:14
○ 2026-04-24 20:12:14
○ 2026-04-26 08:42:48

○A2a06:98c1:3121::2026-02-23 → 2026-02-24 · 5 obs

○ 2026-02-19 11:06:54
● 2026-02-23 19:50:18
● 2026-02-24 03:25:14
○ 2026-04-24 20:12:14
○ 2026-04-26 08:42:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
theengineeringmaths.com	james.ns.cloudflare.com, vivienne.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.178

NS records: james.ns.cloudflare.com, vivienne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for theengineeringmaths.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.170.93, 104.21.47.39`
AAAA	2	`2606:4700:3034::ac43:aa5d, 2606:4700:3032::6815:2f27`
NS	2	`james.ns.cloudflare.com, vivienne.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`james.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

theengineeringmaths.com maps to four IP numbers: 2606:4700:3032::6815:2f27, 2606:4700:3034::ac43:aa5d, 104.21.47.39 and 172.67.170.93.

Other host names such as www.tibia-wiki.net, sponsogo.com, ristorantedegliartisti.it, elviselvis.com and 8893438.com.cdn.cloudflare.net share IPs with theengineeringmaths.com.

Name Servers

Two name servers james.ns.cloudflare.com and vivienne.ns.cloudflare.com handle the delegation for theengineeringmaths.com.

theengineeringmaths.com shares the same name server setup as other domains, for example linkjp888top.live, betwin235xjp.site, gacorhoki383jp.live, nona711xjp.site and raja197jaminjp.online.

theengineeringmaths.com at least partially shares name servers with other domains, for example azuki.blue, archerssleepcentre.co.uk, 81888gj.com, ruvisa.online and webistries.com.

These name servers are often used together with melnicoff.ns.cloudflare.com and ricardo.ns.cloudflare.com.

Host names with six IP numbers:

james.ns.cloudflare.com points to 2606:4700:58::adf5:3bb2, 2803:f800:50::6ca2:c1b2, 2a06:98c1:50::ac40:21b2, 108.162.193.178, 172.64.33.178 and 173.245.59.178.

vivienne.ns.cloudflare.com points to 2606:4700:50::a29f:2632, 2803:f800:50::6ca2:c232, 2a06:98c1:50::ac40:2232, 108.162.194.50, 162.159.38.50 and 172.64.34.50.

theengineeringmaths.com - robtex.com