dbu.edu.com - robtex.com

dbu.edu.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:3993🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:92a4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.147Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.57.147, 172.67.146.164
IPv62606:4700:3035::6815:3993, 2606:4700:3035::ac43:92a4

edu.com

DNSSEC⚠️ Not signed
A13.248.188.218🇺🇸 Amazon13.248.176.0/20
NSjosephine.ns.cloudflare.com ⭐
NSsonny.ns.cloudflare.com
MXinbound-smtp.us-west-2.amazonaws.com ⭐
TXTgoogle-site-verification=XUwxzRiNw6-GXCUt8i5uonkV-HXKrdWqqUCY59zKzJQ
TXTv=spf1 include:amazonses.com ~all
SOAjosephine.ns.cloudflare.comdns@cloudflare.com serial=2399081085
WOT: SAFE (45/100)
rank #113571 globally
rank #51366 in the tld
WOT: SUSPICIOUS (41/100)
📈 Tranco rank: #196,269

Same first word

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Similar names

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bud.nz
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udb.bzh
bud.ie
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bud.com.ai
bdu.co
bud.ph
bud.kr
bud.com.cn
bud.ch
bud.com.ru
bud.com.ng
bud.net.cn
bdu.ru
udb.com.au
bud.mp
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ubd.pl
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dub.cc
dub.tv
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bud.vg
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ubd.dk
bud.co.nz
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bud.in
bud.com.ni
bud.com.py
dub.org
bud.sh
bud.com.sg
bud.bi
bud.so
dub.ch

DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026A104.21.57.147172.67.146.1642606:4700:3035::6815:39932606:4700:3035::ac43:92a452.11.191.13452.27.162.3552.32.30.21452.36.119.8754.187.39.8254.200.70.5754.68.74.17454.69.124.35
●A104.21.57.1472026-02-21 → 2026-03-23 · 3 obs
○ 2016-04-21 04:50:54
● 2026-02-21 02:03:24
● 2026-03-23 22:06:36
●A172.67.146.1642026-02-21 → 2026-03-23 · 3 obs
○ 2016-04-21 04:50:54
● 2026-02-21 02:03:24
● 2026-03-23 22:06:36
●A2606:4700:3035::6815:39932026-02-21 → 2026-03-23 · 3 obs
○ 2016-04-21 04:50:54
● 2026-02-21 02:03:24
● 2026-03-23 22:06:36
●A2606:4700:3035::ac43:92a42026-02-21 → 2026-03-23 · 3 obs
○ 2016-04-21 04:50:54
● 2026-02-21 02:03:24
● 2026-03-23 22:06:36
○A52.11.191.1342015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 04:21:58
○ 2015-11-04 02:02:10
○ 2026-03-23 22:06:36
○A52.27.162.352016-01-18 → 2016-01-18 · 4 obs
○ 2015-11-04 02:02:10
● 2016-01-18 20:44:04
○ 2016-04-21 04:50:54
○ 2026-03-23 22:06:36
○A52.32.30.2142015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-29 04:21:58
● 2015-11-04 02:02:10
○ 2016-01-18 20:44:04
○ 2026-03-23 22:06:36
○A52.36.119.872016-04-21 → 2016-04-21 · 4 obs
○ 2016-01-18 20:44:04
● 2016-04-21 04:50:54
○ 2026-02-21 02:03:24
○ 2026-03-23 22:06:36
○A54.187.39.822016-01-18 → 2016-01-18 · 4 obs
○ 2015-11-04 02:02:10
● 2016-01-18 20:44:04
○ 2016-04-21 04:50:54
○ 2026-03-23 22:06:36
○A54.200.70.572015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 04:21:58
○ 2015-11-04 02:02:10
○ 2026-03-23 22:06:36
○A54.68.74.1742016-04-21 → 2016-04-21 · 4 obs
○ 2016-01-18 20:44:04
● 2016-04-21 04:50:54
○ 2026-02-21 02:03:24
○ 2026-03-23 22:06:36
○A54.69.124.352015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-29 04:21:58
● 2015-11-04 02:02:10
○ 2016-01-18 20:44:04
○ 2026-03-23 22:06:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
edu.comjosephine.ns.cloudflare.com, sonny.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.66

NS records: josephine.ns.cloudflare.com, sonny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu.com (unsigned zone)

⏱️ Timing

Total: 281ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.57.147, 172.67.146.164
AAAA22606:4700:3035::6815:3993, 2606:4700:3035::ac43:92a4
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dbu.edu.com resolves to four IPs: 2606:4700:3035::6815:3993, 2606:4700:3035::ac43:92a4, 104.21.57.147 and 172.67.146.164.

Other host names, for instance cg.cczu.edu.com, unused-178-217-185-247.hosteam.pl, act.edu.com, host-91-206-27-228.hosteam.pl and unused-31-133-6-228.hosteam.pl share IP numbers with dbu.edu.com.