`biologynotesonline.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1b90^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8eed^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.144^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.237^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rayne.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:260b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayne.ns.cloudflare.com`
		A	108.162.194.11^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	162.159.38.11^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	172.64.34.11^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`openai-domain-verification=dv-t4F7CF3WvJPs6c4ARAlhjBfn`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.27.144, 172.67.142.237
		IPv6	2606:4700:3035::6815:1b90, 2606:4700:3036::ac43:8eed
SOA	`rayne.ns.cloudflare.com`dns@cloudflare.com serial=2398292121

`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=1774558757

Same first word

biologynotesonline.com

Similar names

onlinebiologynotes.com

DNS History

8 records (8 active, 0 former)

●NSrayne.ns.cloudflare.com2026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●NSscott.ns.cloudflare.com2026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●MXmx1.hostinger.com2026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●MXmx2.hostinger.com2026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●A104.21.27.1442026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●A172.67.142.2372026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●A2606:4700:3035::6815:1b902026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

●A2606:4700:3036::ac43:8eed2026-03-08 → 2026-03-26 · 2 obs

● 2026-03-08 23:40:32
● 2026-03-26 21:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
biologynotesonline.com	scott.ns.cloudflare.com, rayne.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.11

NS records: scott.ns.cloudflare.com, rayne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biologynotesonline.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.237, 104.21.27.144`
AAAA	2	`2606:4700:3035::6815:1b90, 2606:4700:3036::ac43:8eed`
NS	2	`rayne.ns.cloudflare.com, scott.ns.cloudflare.com`
MX	2	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)`
TXT	2	`openai-domain-verification=dv-t4F7CF3WvJ, v=spf1 include:_spf.mail.hostinger.com ~`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rayne.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

biologynotesonline.com maps to four IP numbers: 2606:4700:3035::6815:1b90, 2606:4700:3036::ac43:8eed, 104.21.27.144 and 172.67.142.237.

Other host names such as www.al-sheref.com, trailsallianceofsantafe.org, drchengsdental.com, newswirenow.co.uk and queenslandfishing.com.au share IPs with biologynotesonline.com.

Name Servers

Two name servers rayne.ns.cloudflare.com and scott.ns.cloudflare.com handle the delegation for biologynotesonline.com.

biologynotesonline.com shares the same name server setup as other domains, for example tahoetransportation.org, mytaxicrm.com, klip.id, mateo-maparchitect.com and muki.io.

biologynotesonline.com at least partially shares name servers with other domains, for example toxicweasel.com, merjep.com, ipropane.net, 00035789.xyz and xxoo164.org.

These name servers are often used with nikon.ns.cloudflare.com, tricia.ns.cloudflare.com, cris.ns.cloudflare.com, jonah.ns.cloudflare.com and tony.ns.cloudflare.com.

Host names with six IP numbers:

rayne.ns.cloudflare.com points to 2606:4700:50::a29f:260b, 2803:f800:50::6ca2:c20b, 2a06:98c1:50::ac40:220b, 108.162.194.11, 162.159.38.11 and 172.64.34.11.

scott.ns.cloudflare.com points to 2606:4700:58::adf5:3be6, 2803:f800:50::6ca2:c1e6, 2a06:98c1:50::ac40:21e6, 108.162.193.230, 172.64.33.230 and 173.245.59.230.

Mail Servers

Two mail servers handle biologynotesonline.com: mx1.hostinger.com and mx2.hostinger.com.

biologynotesonline.com shares the same mail server setup as other domains, including ootdiva.com, enigmaxoficial.com, digicart.nl, glcontadores.com and germanstandard.co.th.

biologynotesonline.com shares some mail servers with other domains, at least partially, for instance myflickrapp.com, documentscanningpasadena.com, fecacso.com and chf.com.cy.

Names with two IPs:

mx1.hostinger.com points to: 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

mx2.hostinger.com points to: 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

Names pointing to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com and mx2.hostinger.com.

Names pointing to 172.65.182.103: mx1.hostinger.com and mx2.hostinger.com.

biologynotesonline.com - robtex.com