engineering99.com - dns.ninja

`engineering99.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:d533^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1090^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.144^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.51^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rajeev.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rajeev.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rajeev.ns.cloudflare.com`
		A	108.162.193.224^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	172.64.33.224^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	173.245.59.224^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
NS	`tess.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.144, 172.67.213.51
		IPv6 hints	2606:4700:3035::ac43:d533, 2606:4700:3037::6815:1090
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOA	`rajeev.ns.cloudflare.com`dns@cloudflare.com serial=2403616028

`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=1782538520

Same first word

engineering99.com

DNS History

12 records (6 active, 6 former)

●NSrajeev.ns.cloudflare.com2019-04-02 → 2026-06-27 · 2 obs

● 2019-04-02 15:45:04
● 2026-06-27 05:51:28

●NStess.ns.cloudflare.com2019-04-02 → 2026-06-27 · 2 obs

● 2019-04-02 15:45:04
● 2026-06-27 05:51:28

●A104.21.16.1442026-05-20 → 2026-06-27 · 3 obs

○ 2019-04-02 15:45:04
● 2026-05-20 17:26:30
● 2026-06-27 05:51:28

○A104.31.92.432019-04-02 → 2019-04-02 · 3 obs

● 2019-04-02 15:45:04
○ 2026-05-20 17:26:30
○ 2026-06-27 05:51:28

○A104.31.93.432019-04-02 → 2019-04-02 · 3 obs

● 2019-04-02 15:45:04
○ 2026-05-20 17:26:30
○ 2026-06-27 05:51:28

●A172.67.213.512026-05-20 → 2026-06-27 · 3 obs

○ 2019-04-02 15:45:04
● 2026-05-20 17:26:30
● 2026-06-27 05:51:28

○A2606:4700:30::681f:5c2b2019-04-02 → 2019-04-02 · 3 obs

● 2019-04-02 15:45:04
○ 2026-05-20 17:26:30
○ 2026-06-27 05:51:28

○A2606:4700:30::681f:5d2b2019-04-02 → 2019-04-02 · 3 obs

● 2019-04-02 15:45:04
○ 2026-05-20 17:26:30
○ 2026-06-27 05:51:28

○A2606:4700:3032::ac43:d5332026-05-20 → 2026-05-20 · 3 obs

○ 2019-04-02 15:45:04
● 2026-05-20 17:26:30
○ 2026-06-27 05:51:28

○A2606:4700:3034::6815:10902026-05-20 → 2026-05-20 · 3 obs

○ 2019-04-02 15:45:04
● 2026-05-20 17:26:30
○ 2026-06-27 05:51:28

●A2606:4700:3035::ac43:d5332026-06-27 → 2026-06-27 · 2 obs

○ 2026-05-20 17:26:30
● 2026-06-27 05:51:28

●A2606:4700:3037::6815:10902026-06-27 → 2026-06-27 · 2 obs

○ 2026-05-20 17:26:30
● 2026-06-27 05:51:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
engineering99.com	tess.ns.cloudflare.com, rajeev.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.224

NS records: tess.ns.cloudflare.com, rajeev.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineering99.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.213.51, 104.21.16.144`
AAAA	2	`2606:4700:3037::6815:1090, 2606:4700:3035::ac43:d533`
NS	2	`rajeev.ns.cloudflare.com, tess.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rajeev.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

engineering99.com resolves to four IP addresses: 104.21.16.144, 172.67.213.51, 2606:4700:3035::ac43:d533 and 2606:4700:3037::6815:1090.

Two other host names, along with bferironfabric.shikshik.org, elishagoodman.org and ximg.blog, also share IP numbers with engineering99.com.

Name Servers

The NS records for engineering99.com delegate to rajeev.ns.cloudflare.com and tess.ns.cloudflare.com.

engineering99.com shares its NS records with other domains, for example indeksdoceniania.pl, tatliaskim.org, mcmus.com and two others.

engineering99.com shares at least some of its name servers with other domains, including iramos.com.ar, silexlabs.org, moonliight.top and two others.

These name servers are frequently seen alongside the name servers sreeni.ns.cloudflare.com.

DNS names with 6 IP addresses:

rajeev.ns.cloudflare.com maps to 108.162.193.224, 172.64.33.224, 173.245.59.224 and 3 additional IP addresses.

tess.ns.cloudflare.com maps to 108.162.192.227, 172.64.32.227, 173.245.58.227 and 3 additional IP addresses.