mail.usbf.nl - robtex.com

mail.usbf.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:ca86🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3ceb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.235Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.134🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.235, 172.67.202.134
IPv6 hints2606:4700:3030::ac43:ca86, 2606:4700:3035::6815:3ceb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com

usbf.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:ca86🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3ceb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.235Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.134🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgracie.ns.cloudflare.com ⭐
NSquentin.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=cSNRvoNa0MmLac4frqEUO9mgwUc9PjOQT4cUC-T1Mmg
TXTgoogle-site-verification=eDqyvfZiBF5NjASFM-x7Gd6B5OYxU0uvuwYsRtCxbro
TXTgoogle-site-verification=xZ6YjC3wvc3tY4Wyp17ewwvBXFNaq6qVJNontWZlwEQ
TXTv=spf1 ip4:185.104.29.148 ip6:2a06:2ec0:1:0:0:0:0:156 include:filter-out.zxcs...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.235, 172.67.202.134
IPv6 hints2606:4700:3030::ac43:ca86, 2606:4700:3035::6815:3ceb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOAgracie.ns.cloudflare.comdns@cloudflare.com serial=2411028998

Previously MX for

usbf.nl

Same first word

mail.ne.jp
mail.co.jp
mail.be
mail.com.vn
mail.how
mail.com.ug
mail.in-brb.de
mail.ro
mail.com.hk
mail.neustar
mail.ao
mail.pw
mail.broker
mail.school
mail.land
mail.yahoo
mail.edu.ge
mail.ps
mail.edu.ee
mail.gouv.ci
mail.gi
mail.fr
mail.mil.id
mail.k12.vt.us
mail.photos
mail.omg.lol
mail.ooo
mail.cloudaccess.net
mail.girly.jp
mail.ec
mail.blog
mail.potager.org
mail.v.ua
mail.copro.uk
mail.or.id
mail.kim
mail.md
mail.gov.ls
mail.edu.tt
mail.si
mail.gov.rw
mail.gov.bs
mail.ca
mail.je
mail.ks.ua
mail.org.br
mail.dj
mail.technology
mail.edu.ru
mail.edu.az
mail.global
mail.bambina.jp
mail.hu.net
mail.whitesnow.jp
mail.se
mail.keymachine.de
mail.gd
mail.ms.gov.br
mail.csx.cc
mail.basicserver.io
mail.coupons
mail.js.org
mail.ch
mail.partners
mail.mt
mail.golffan.us
mail.sky
mail.town
mail.sh
mail.nom.za
mail.com.br
mail.com.ph
mail.com.ng
mail.bike
mail.gr
mail.golf
mail.srv.br
mail.dyn-vpn.de
mail.serveminecraft.net
mail.gov.cn
mail.staba.jp
mail.pinoko.jp
mail.in.th
mail.insure
mail.tech
mail.rakkestad.no
mail.gov.bm
mail.com.py
mail.guru
mail.bing
mail.lv
mail.babyblue.jp
mail.in-berlin.de
mail.no-ip.biz
mail.host
mail.net.ar
mail.management
mail.qld.gov.au
mail.pm
mail.wf

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mila.online
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lima.im
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mail.kz
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mila.se
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mail.it.com
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amil.us
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mail.pe

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.60.235172.67.202.1342606:4700:3030::ac43:ca862606:4700:3035::6815:3ceb195.8.208.50
●A104.21.60.2352026-08-06 → 2026-08-06 · 3 obs
○ 2016-10-07 18:03:36
● 2026-08-06 00:47:42
● 2026-08-06 00:47:44
●A172.67.202.1342026-08-06 → 2026-08-06 · 3 obs
○ 2016-10-07 18:03:36
● 2026-08-06 00:47:42
● 2026-08-06 00:47:44
○A195.8.208.502015-06-25 → 2016-10-07 · 4 obs
● 2015-06-25 11:05:12
● 2016-10-07 18:03:36
○ 2026-08-06 00:47:42
○ 2026-08-06 00:47:44
●A2606:4700:3030::ac43:ca862026-08-06 → 2026-08-06 · 3 obs
○ 2016-10-07 18:03:36
● 2026-08-06 00:47:42
● 2026-08-06 00:47:44
●A2606:4700:3035::6815:3ceb2026-08-06 → 2026-08-06 · 3 obs
○ 2016-10-07 18:03:36
● 2026-08-06 00:47:42
● 2026-08-06 00:47:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
usbf.nlgracie.ns.cloudflare.com, quentin.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.7

NS records: gracie.ns.cloudflare.com, quentin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usbf.nl (unsigned zone)

⏱️ Timing

Total: 495ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.60.235, 172.67.202.134
AAAA22606:4700:3030::ac43:ca86, 2606:4700:3035::6815:3ceb
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.usbf.nl points to the four IP addresses 104.21.60.235, 172.67.202.134, 2606:4700:3030::ac43:ca86 and 2606:4700:3035::6815:3ceb.

treepros.org, umetriava24.com, origani.com.tr and two other host names share IP numbers with mail.usbf.nl.