guide2libraryscience.com - dns.ninja

`guide2libraryscience.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d755^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:5634^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.52^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.85^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`byron.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c343^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`byron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2343^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`byron.ns.cloudflare.com`
		A	108.162.195.67^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	162.159.44.67^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	172.64.35.67^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
NS	`june.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`june.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`june.ns.cloudflare.com`
		A	108.162.192.176^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	172.64.32.176^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	173.245.58.176^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.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	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.52, 172.67.215.85
		IPv6 hints	2606:4700:3031::ac43:d755, 2606:4700:3033::6815:5634
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com
SOA	`byron.ns.cloudflare.com`dns@cloudflare.com serial=2404883619

`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=1780984666

📈 Tranco rank: #486,645

Previously MX for

guide2libraryscience.com

Subdomains

www.guide2libraryscience.com

Same first word

guide2libraryscience.com

DNS History

16 records (8 active, 8 former)

●NSbyron.ns.cloudflare.com2026-03-26 → 2026-06-09 · 3 obs

○ 2018-10-03 02:34:38
● 2026-03-26 14:33:20
● 2026-06-09 06:02:12

●NSjune.ns.cloudflare.com2026-03-26 → 2026-06-09 · 3 obs

○ 2018-10-03 02:34:38
● 2026-03-26 14:33:20
● 2026-06-09 06:02:12

○NSns1.a2hosting.com2017-01-04 → 2018-10-03 · 4 obs

● 2017-01-04 23:04:30
● 2018-10-03 02:34:38
○ 2026-03-26 14:33:20
○ 2026-06-09 06:02:12

○NSns2.a2hosting.com2017-01-04 → 2018-10-03 · 4 obs

● 2017-01-04 23:04:30
● 2018-10-03 02:34:38
○ 2026-03-26 14:33:20
○ 2026-06-09 06:02:12

○NSns3.a2hosting.com2017-01-04 → 2018-10-03 · 4 obs

● 2017-01-04 23:04:30
● 2018-10-03 02:34:38
○ 2026-03-26 14:33:20
○ 2026-06-09 06:02:12

○NSns4.a2hosting.com2017-01-04 → 2018-10-03 · 4 obs

● 2017-01-04 23:04:30
● 2018-10-03 02:34:38
○ 2026-03-26 14:33:20
○ 2026-06-09 06:02:12

○MXguide2libraryscience.com2017-01-04 → 2018-10-03 · 4 obs

● 2017-01-04 23:04:30
● 2018-10-03 02:34:38
○ 2026-03-26 14:33:20
○ 2026-06-09 06:02:12

●MXmx1.hostinger.com2026-03-26 → 2026-06-09 · 3 obs

○ 2018-10-03 02:34:38
● 2026-03-26 14:33:20
● 2026-06-09 06:02:12

●MXmx2.hostinger.com2026-03-26 → 2026-06-09 · 3 obs

○ 2018-10-03 02:34:38
● 2026-03-26 14:33:20
● 2026-06-09 06:02:12

●A104.21.86.522026-06-09 → 2026-06-09 · 3 obs

○ 2026-05-09 01:39:50
● 2026-06-09 06:02:10
● 2026-06-09 06:02:12

●A172.67.215.852026-06-09 → 2026-06-09 · 3 obs

○ 2026-05-09 01:39:50
● 2026-06-09 06:02:10
● 2026-06-09 06:02:12

○A184.168.221.432017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 23:04:30
○ 2018-10-03 02:34:38
○ 2026-06-09 06:02:12

○A195.179.236.1412026-03-26 → 2026-05-09 · 5 obs

○ 2018-10-03 02:34:38
● 2026-03-26 14:33:20
● 2026-05-09 01:39:50
○ 2026-06-09 06:02:10
○ 2026-06-09 06:02:12

●A2606:4700:3031::ac43:d7552026-06-09 → 2026-06-09 · 3 obs

○ 2026-05-09 01:39:50
● 2026-06-09 06:02:10
● 2026-06-09 06:02:12

●A2606:4700:3033::6815:56342026-06-09 → 2026-06-09 · 3 obs

○ 2026-05-09 01:39:50
● 2026-06-09 06:02:10
● 2026-06-09 06:02:12

○A66.198.240.252017-01-04 → 2018-10-03 · 4 obs

● 2017-01-04 23:04:30
● 2018-10-03 02:34:38
○ 2026-03-26 14:33:20
○ 2026-06-09 06:02:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
guide2libraryscience.com	june.ns.cloudflare.com, byron.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.67

NS records: june.ns.cloudflare.com, byron.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 342ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.52, 172.67.215.85`
AAAA	2	`2606:4700:3033::6815:5634, 2606:4700:3031::ac43:d755`
NS	2	`byron.ns.cloudflare.com, june.ns.cloudflare.com`
MX	2	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)`
TXT	1	`v=spf1 include:_spf.mail.hostinger.com ~`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`byron.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.guide2libraryscience.com is a subdomain of guide2libraryscience.com.

IP Addresses

guide2libraryscience.com resolves to 4 IP numbers: 104.21.86.52, 172.67.215.85, 2606:4700:3031::ac43:d755 and 2606:4700:3033::6815:5634.

Additional host names — auto.max22.net, birdbeginner.cfd, ns1.customerspanel.com and two others — share IP numbers with guide2libraryscience.com.

Name Servers

DNS delegation for guide2libraryscience.com points to two name servers: byron.ns.cloudflare.com and june.ns.cloudflare.com.

guide2libraryscience.com shares its name server setup with other domains, including elroyalecasino1.com, xamdepnhat.com, kciti.com and two others.

The name servers of guide2libraryscience.com overlap at least partially with those of other domains — among them centralpanel.site, candea.org, pointvicentevet.com and two more.

The name servers amy.ns.cloudflare.com, dom.ns.cloudflare.com and graham.ns.cloudflare.com are commonly seen alongside these name servers.

Host names with 6 IP numbers:

byron.ns.cloudflare.com resolves to 108.162.195.67, 162.159.44.67 and 172.64.35.67, along with three other IP addresses.

june.ns.cloudflare.com resolves to 108.162.192.176, 172.64.32.176 and 173.245.58.176, along with three other IP addresses.

Mail Servers

guide2libraryscience.com has two mail servers: mx1.hostinger.com and mx2.hostinger.com.

guide2libraryscience.com shares the same mail server setup as other domains, including myopep.in, gaston-ia.com, clark-tree-services.com and two others.

guide2libraryscience.com has mail servers in common with other domains — autoproyecto.com being one example.

mx1.hostinger.com resolves to 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f; mx2.hostinger.com resolves to the same two IP addresses: 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f.

Host names pointing to 2606:4700:90:0:c1f8:f874:2386:b61f IP addresses: mx1.hostinger.com and mx2.hostinger.com.

Host names pointing to 172.65.182.103 IP addresses: mx1.hostinger.com and mx2.hostinger.com.