`techdevnotes.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1f9^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:806b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.249^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.107^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lex.ns.cloudflare.com`
		A	108.162.193.196^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	172.64.33.196^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	173.245.59.196^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
NS	`savanna.ns.cloudflare.com`
		A	2606:4700:50::a29f:2688^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c288^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`savanna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2288^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`savanna.ns.cloudflare.com`
		A	108.162.194.136^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
		A	162.159.38.136^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
		A	172.64.34.136^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
TXT	`google-site-verification=G56BIiokcPE9plpJfnbZlOPy4Ptywqpe44bHJyw10dI`
TXT	`google-site-verification=stBFJJvA7-JEWaMiFGzudcN2INjc9d5JnBQSd3J028A`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.249, 172.67.128.107
		IPv6 hints	2606:4700:3034::6815:1f9, 2606:4700:3036::ac43:806b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com
SOA	`lex.ns.cloudflare.com`dns@cloudflare.com serial=2408333514

`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=1784175532

Same first word

techdevnotes.com

DNS History

19 records (6 active, 13 former)

●NSlex.ns.cloudflare.com2026-06-15 → 2026-07-16 · 3 obs

○ 2018-01-09 08:16:46
● 2026-06-15 19:06:26
● 2026-07-16 04:34:56

○NSns55.domaincontrol.com2018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

○NSns56.domaincontrol.com2018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

●NSsavanna.ns.cloudflare.com2026-06-15 → 2026-07-16 · 3 obs

○ 2018-01-09 08:16:46
● 2026-06-15 19:06:26
● 2026-07-16 04:34:56

●A104.21.1.2492026-06-15 → 2026-07-16 · 4 obs

○ 2018-01-09 08:16:46
● 2026-06-15 19:06:26
○ 2026-06-17 03:40:08
● 2026-07-16 04:34:56

●A172.67.128.1072026-06-15 → 2026-07-16 · 4 obs

○ 2018-01-09 08:16:46
● 2026-06-15 19:06:26
○ 2026-06-17 03:40:08
● 2026-07-16 04:34:56

○A184.168.221.382018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

○A184.168.221.472018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

○A184.168.221.522018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

○A184.168.221.602018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

○A188.114.96.02026-06-17 → 2026-06-17 · 3 obs

○ 2026-06-15 19:06:26
● 2026-06-17 03:40:08
○ 2026-07-16 04:34:56

○A188.114.97.02026-06-17 → 2026-06-17 · 3 obs

○ 2026-06-15 19:06:26
● 2026-06-17 03:40:08
○ 2026-07-16 04:34:56

○A2606:4700:3033::ac43:806b2026-06-15 → 2026-06-15 · 4 obs

○ 2018-01-09 08:16:46
● 2026-06-15 19:06:26
○ 2026-06-17 03:40:08
○ 2026-07-16 04:34:56

●A2606:4700:3034::6815:1f92026-06-15 → 2026-07-16 · 4 obs

○ 2018-01-09 08:16:46
● 2026-06-15 19:06:26
○ 2026-06-17 03:40:08
● 2026-07-16 04:34:56

●A2606:4700:3036::ac43:806b2026-07-16 → 2026-07-16 · 2 obs

○ 2026-06-17 03:40:08
● 2026-07-16 04:34:56

○A2a06:98c1:3120::2026-06-17 → 2026-06-17 · 3 obs

○ 2026-06-15 19:06:26
● 2026-06-17 03:40:08
○ 2026-07-16 04:34:56

○A2a06:98c1:3121::2026-06-17 → 2026-06-17 · 3 obs

○ 2026-06-15 19:06:26
● 2026-06-17 03:40:08
○ 2026-07-16 04:34:56

○A50.63.202.572018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

○A50.63.202.622018-01-09 → 2018-01-09 · 3 obs

● 2018-01-09 08:16:46
○ 2026-06-15 19:06:26
○ 2026-07-16 04:34:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
techdevnotes.com	lex.ns.cloudflare.com, savanna.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.136

NS records: lex.ns.cloudflare.com, savanna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techdevnotes.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.128.107, 104.21.1.249`
AAAA	2	`2606:4700:3034::6815:1f9, 2606:4700:3036::ac43:806b`
NS	2	`lex.ns.cloudflare.com, savanna.ns.cloudflare.com`
TXT	2	`google-site-verification=G56BIiokcPE9plp, google-site-verification=stBFJJvA7-JEWaM`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lex.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

techdevnotes.com resolves to four IP addresses: 104.21.1.249, 172.67.128.107, 2606:4700:3034::6815:1f9 and 2606:4700:3036::ac43:806b.

Among the host names that share IP numbers with techdevnotes.com are r6k1wd.online, digitalpa-rtners.buzz, thewhitehouselife.blog and two others.

Name Servers

techdevnotes.com is delegated to two name servers: lex.ns.cloudflare.com and savanna.ns.cloudflare.com.

techdevnotes.com has the same name server delegation as a number of other domains, such as dgpybhg.com, 1xbet-uz-kirish.site, mail.sit.lk and two more.

techdevnotes.com partially shares its NS delegation with several other domains, including biotez.de, xwstudio.net, 7gpy8c3.lol and two others.

These name servers often co-occur with the name servers erin.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

lex.ns.cloudflare.com resolves to 108.162.193.196, 172.64.33.196, 173.245.59.196 and 3 other IP addresses.

savanna.ns.cloudflare.com resolves to 108.162.194.136, 162.159.38.136, 172.64.34.136 and 3 other IP addresses.

techdevnotes.com - robtex.com