mail2.b2bco.com - dns.ninja

mail2.b2bco.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:4e74🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dc9d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.116Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.157🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.116, 172.67.220.157
IPv6 hints2606:4700:3037::6815:4e74, 2606:4700:3037::ac43:dc9d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com

b2bco.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:4e74🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dc9d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.116Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.157🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjewel.ns.cloudflare.com ⭐
NSpatrick.ns.cloudflare.com
MXmail.b2bco.com ⭐
TXTgoogle-site-verification=7r3l65reeQhCVR0Y6sAFMK0QluxqEQUZ_CHsaO1_S2s
TXTv=spf1 a:mail.b2bco.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.116, 172.67.220.157
IPv6 hints2606:4700:3037::6815:4e74, 2606:4700:3037::ac43:dc9d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOAjewel.ns.cloudflare.comdns@cloudflare.com serial=2410756140
rank #91518 globally
rank #41246 in the tld
📈 Tranco rank: #181,297

Previously MX for

b2bco.com

Same first word

mail2.you
mail2.no-ip.org
mail2.dev
mail2.cloudapp.net
mail2.cz
mail2.me
mail2.hu
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mail2.ca
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mail2.df.gov.br
mail2.myfritz.net
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mail2.dyndns.org
mail2.la
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2mail.co
2mail.de
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2mail.online
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mila2.com
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2mail.ch
a2mil.com
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2mail.org
2mail.dk
2mail.serveftp.com
mi2la.de
lima2.com
alim2.com
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2mail.pl
2mail.ru
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2mail.com
2mail.net
2mail.com.ua
2mail.eu
2mail.pro
2mail.at
2mail.nl
2mail.im

DNS History

5 records (4 active, 1 former)

200920112013201520172019202120232025A104.21.78.116172.67.220.1572606:4700:3037::6815:4e742606:4700:3037::ac43:dc9d79.175.172.66
●A104.21.78.1162026-07-29 → 2026-07-29 · 2 obs
○ 2016-08-27 06:28:50
● 2026-07-29 10:04:12
●A172.67.220.1572026-07-29 → 2026-07-29 · 2 obs
○ 2016-08-27 06:28:50
● 2026-07-29 10:04:12
●A2606:4700:3037::6815:4e742026-07-29 → 2026-07-29 · 2 obs
○ 2016-08-27 06:28:50
● 2026-07-29 10:04:12
●A2606:4700:3037::ac43:dc9d2026-07-29 → 2026-07-29 · 2 obs
○ 2016-08-27 06:28:50
● 2026-07-29 10:04:12
○A79.175.172.662015-05-14 → 2016-08-27 · 4 obs
○ 2008-03-19 14:21:34
● 2015-05-14 03:32:24
● 2016-08-27 06:28:50
○ 2026-07-29 10:04:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
b2bco.comjewel.ns.cloudflare.com, patrick.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.200

NS records: jewel.ns.cloudflare.com, patrick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2bco.com (unsigned zone)

⏱️ Timing

Total: 246ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.78.116, 172.67.220.157
AAAA22606:4700:3037::6815:4e74, 2606:4700:3037::ac43:dc9d
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail2.b2bco.com has four IP addresses: 104.21.78.116, 172.67.220.157, 2606:4700:3037::6815:4e74 and 2606:4700:3037::ac43:dc9d.

ciudadesconencanto.com, retzu.com, jaibox.com plus two other host names have IP numbers in common with mail2.b2bco.com.