student-handbook.com - robtex.com

student-handbook.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:301e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b06b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.30Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.107🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemily.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemily.ns.cloudflare.com
A2803:f800:50::6ca2:c09b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemily.ns.cloudflare.com
A2a06:98c1:50::ac40:209b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemily.ns.cloudflare.com
A108.162.192.155🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemily.ns.cloudflare.com
A172.64.32.155🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemily.ns.cloudflare.com
A173.245.58.155🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemily.ns.cloudflare.com
NSwesley.ns.cloudflare.com
A2606:4700:58::adf5:3bf6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A2803:f800:50::6ca2:c1f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwesley.ns.cloudflare.com
A2a06:98c1:50::ac40:21f6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwesley.ns.cloudflare.com
A108.162.193.246🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A172.64.33.246🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A173.245.59.246🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.30, 172.67.176.107
IPv6 hints2606:4700:3033::6815:301e, 2606:4700:3037::ac43:b06b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOAemily.ns.cloudflare.comdns@cloudflare.com serial=2407444520

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784469312

Same first word

student-handbook.com

DNS History

15 records (6 active, 9 former)

2017201820192020202120222023202420252026NSemily.ns.cloudflare.comwesley.ns.cloudflare.comns63.domaincontrol.comns64.domaincontrol.comns77.domaincontrol.comns78.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.48.30172.67.176.1072606:4700:3033::6815:301e2606:4700:3037::ac43:b06b13.248.213.45184.168.221.3676.223.67.189
●NSemily.ns.cloudflare.com2026-07-19 → 2026-07-19 · 2 obs
○ 2026-03-13 03:37:54
● 2026-07-19 14:06:22
○NSns63.domaincontrol.com2016-11-24 → 2016-11-24 · 3 obs
● 2016-11-24 19:58:00
○ 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
○NSns64.domaincontrol.com2016-11-24 → 2016-11-24 · 3 obs
● 2016-11-24 19:58:00
○ 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
○NSns77.domaincontrol.com2026-03-13 → 2026-03-13 · 3 obs
○ 2016-11-24 19:58:00
● 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
○NSns78.domaincontrol.com2026-03-13 → 2026-03-13 · 3 obs
○ 2016-11-24 19:58:00
● 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
●NSwesley.ns.cloudflare.com2026-07-19 → 2026-07-19 · 2 obs
○ 2026-03-13 03:37:54
● 2026-07-19 14:06:22
○MXmailstore1.secureserver.net2016-11-24 → 2016-11-24 · 3 obs
● 2016-11-24 19:58:00
○ 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
○MXsmtp.secureserver.net2016-11-24 → 2016-11-24 · 3 obs
● 2016-11-24 19:58:00
○ 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
●A104.21.48.302026-07-19 → 2026-07-19 · 2 obs
○ 2026-03-13 03:37:54
● 2026-07-19 14:06:22
○A13.248.213.452026-03-13 → 2026-03-13 · 3 obs
○ 2016-11-24 19:58:00
● 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
●A172.67.176.1072026-07-19 → 2026-07-19 · 2 obs
○ 2026-03-13 03:37:54
● 2026-07-19 14:06:22
○A184.168.221.362016-11-24 → 2016-11-24 · 3 obs
● 2016-11-24 19:58:00
○ 2026-03-13 03:37:54
○ 2026-07-19 14:06:22
●A2606:4700:3033::6815:301e2026-07-19 → 2026-07-19 · 2 obs
○ 2026-03-13 03:37:54
● 2026-07-19 14:06:22
●A2606:4700:3037::ac43:b06b2026-07-19 → 2026-07-19 · 2 obs
○ 2026-03-13 03:37:54
● 2026-07-19 14:06:22
○A76.223.67.1892026-03-13 → 2026-03-13 · 3 obs
○ 2016-11-24 19:58:00
● 2026-03-13 03:37:54
○ 2026-07-19 14:06:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
student-handbook.comemily.ns.cloudflare.com, wesley.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.246

NS records: emily.ns.cloudflare.com, wesley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for student-handbook.com (unsigned zone)

⏱️ Timing

Total: 645ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.176.107, 104.21.48.30
AAAA22606:4700:3033::6815:301e, 2606:4700:3037::ac43:b06b
NS2emily.ns.cloudflare.com, wesley.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emily.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

student-handbook.com points to the four IP addresses 104.21.48.30, 172.67.176.107, 2606:4700:3033::6815:301e and 2606:4700:3037::ac43:b06b.

cogito.net.pl, henrypractice.com, flexeo.at plus two other host names have IP numbers in common with student-handbook.com.

Name Servers

student-handbook.com is served by two delegated name servers, emily.ns.cloudflare.com and wesley.ns.cloudflare.com.

The name server configuration of student-handbook.com is shared with other domains, for instance newbookmodels.com, wit.co.id, sq1.agency and two others.

There is at least partial name server overlap between student-handbook.com and other domains — dayou66.com, mlceai.com, boncom.report and two more among them.

These name servers are routinely deployed together with the name servers brady.ns.cloudflare.com.

Hosts with 6 IP addresses each:

emily.ns.cloudflare.com carries IP addresses 108.162.192.155, 172.64.32.155 and 173.245.58.155, with 3 other addresses beyond those.

wesley.ns.cloudflare.com carries IP addresses 108.162.193.246, 172.64.33.246 and 173.245.59.246, with 3 other addresses beyond those.