structuralengineeringbasics.com - dns.ninja

`structuralengineeringbasics.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:3af4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a649^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.244^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.73^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aiden.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c137^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aiden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2137^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aiden.ns.cloudflare.com`
		A	108.162.193.55^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	172.64.33.55^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	173.245.59.55^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
NS	`shaz.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shaz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shaz.ns.cloudflare.com`
		A	108.162.194.249^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	162.159.38.249^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	172.64.34.249^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
MX	`mail.structuralengineeringbasics.com` ⭐
		A	198.60.193.31^{🇺🇸 TELX-AS210250198.60.193.0/24}
			PTR	`s31.wpx.net`
TXT	`google-site-verification=BsoIk0T_CQ-P0Qht9GpwM0viuTKEB3hP3sfQME4EY4c`
TXT	`np41hvvetq53v2h2id29o5ude2`
TXT	`v=DMARC1; p=none; rua=mailto:postmaster@structuralengineeringbasics.com; ruf=...`
TXT	`v=spf1 ip4:198.60.193.158 ip4:198.60.193.31 ip4:208.100.34.141 ip4:67.202.92....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.244, 172.67.166.73
		IPv6 hints	2606:4700:3035::6815:3af4, 2606:4700:3035::ac43:a649
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOA	`aiden.ns.cloudflare.com`dns@cloudflare.com serial=2404787873

`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=1782926906

Subdomains

b2e77e0ba566.structuralengineeringbasics.com

mail.structuralengineeringbasics.com

Same first word

structuralengineeringbasics.com

DNS History

11 records (7 active, 4 former)

●NSaiden.ns.cloudflare.com2026-02-15 → 2026-07-01 · 2 obs

● 2026-02-15 04:12:18
● 2026-07-01 17:48:10

●NSshaz.ns.cloudflare.com2026-02-15 → 2026-07-01 · 2 obs

● 2026-02-15 04:12:18
● 2026-07-01 17:48:10

●MXmail.structuralengineeringbasics.com2026-02-15 → 2026-07-01 · 2 obs

● 2026-02-15 04:12:18
● 2026-07-01 17:48:10

●A104.21.58.2442026-02-15 → 2026-07-01 · 9 obs

● 2026-02-15 04:12:18
● 2026-02-22 12:34:18
○ 2026-02-25 00:38:22
○ 2026-03-17 19:37:24
● 2026-03-26 21:33:54
● 2026-03-27 00:31:08
○ 2026-04-09 00:04:16
● 2026-04-29 19:16:42
● 2026-07-01 17:48:10

●A172.67.166.732026-02-15 → 2026-07-01 · 9 obs

○A188.114.96.02026-02-25 → 2026-04-09 · 8 obs

○ 2026-02-22 12:34:18
● 2026-02-25 00:38:22
● 2026-03-17 19:37:24
○ 2026-03-26 21:33:54
○ 2026-03-27 00:31:08
● 2026-04-09 00:04:16
○ 2026-04-29 19:16:42
○ 2026-07-01 17:48:10

○A188.114.97.02026-02-25 → 2026-04-09 · 8 obs

○ 2026-02-22 12:34:18
● 2026-02-25 00:38:22
● 2026-03-17 19:37:24
○ 2026-03-26 21:33:54
○ 2026-03-27 00:31:08
● 2026-04-09 00:04:16
○ 2026-04-29 19:16:42
○ 2026-07-01 17:48:10

●A2606:4700:3035::6815:3af42026-02-15 → 2026-07-01 · 9 obs

●A2606:4700:3035::ac43:a6492026-02-15 → 2026-07-01 · 9 obs

○A2a06:98c1:3120::2026-02-25 → 2026-04-09 · 8 obs

○ 2026-02-22 12:34:18
● 2026-02-25 00:38:22
● 2026-03-17 19:37:24
○ 2026-03-26 21:33:54
○ 2026-03-27 00:31:08
● 2026-04-09 00:04:16
○ 2026-04-29 19:16:42
○ 2026-07-01 17:48:10

○A2a06:98c1:3121::2026-02-25 → 2026-04-09 · 8 obs

○ 2026-02-22 12:34:18
● 2026-02-25 00:38:22
● 2026-03-17 19:37:24
○ 2026-03-26 21:33:54
○ 2026-03-27 00:31:08
● 2026-04-09 00:04:16
○ 2026-04-29 19:16:42
○ 2026-07-01 17:48:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
structuralengineeringbasics.com	aiden.ns.cloudflare.com, shaz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.249

NS records: aiden.ns.cloudflare.com, shaz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for structuralengineeringbasics.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.244, 172.67.166.73`
AAAA	2	`2606:4700:3035::6815:3af4, 2606:4700:3035::ac43:a649`
NS	2	`aiden.ns.cloudflare.com, shaz.ns.cloudflare.com`
MX	1	`mail.structuralengineeringbasics.com (pr`
TXT	4	`google-site-verification=BsoIk0T_CQ-P0Qh, np41hvvetq53v2h2id29o5ude2...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aiden.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

b2e77e0ba566.structuralengineeringbasics.com and mail.structuralengineeringbasics.com each fall under structuralengineeringbasics.com as their parent domain.

IP Addresses

structuralengineeringbasics.com points to the four IP addresses 104.21.58.244, 172.67.166.73, 2606:4700:3035::6815:3af4 and 2606:4700:3035::ac43:a649.

Two other host names, along with wholesalemeatscoventry.co.uk, lynx-lands.com and futurecloudit.com, also share IP numbers with structuralengineeringbasics.com.

Name Servers

structuralengineeringbasics.com is served by two delegated name servers, aiden.ns.cloudflare.com and shaz.ns.cloudflare.com.

structuralengineeringbasics.com shares its NS records with other domains, for example leadinglabel.co.nz, katolicka.szkola.pl, operdata.com.br and two others.

The name servers of structuralengineeringbasics.com overlap at least partially with those of other domains — among them chaiyuu.com, photoplay.com.tr, 078se.com and two more.

The name servers zoe.ns.cloudflare.com, cody.ns.cloudflare.com and tadeo.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

aiden.ns.cloudflare.com carries IP addresses 108.162.193.55, 172.64.33.55 and 173.245.59.55, with 3 other addresses beyond those.

shaz.ns.cloudflare.com carries IP addresses 108.162.194.249, 162.159.38.249 and 172.64.34.249, with 3 other addresses beyond those.

Mail Servers

The sole mail server for structuralengineeringbasics.com is mail.structuralengineeringbasics.com.

There is one IP number for mail.structuralengineeringbasics.com: 198.60.193.31.