6f.io - robtex.com

6f.io

DNSSEC⚠️ Not signed
A2606:4700::6812:142f🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:152f🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.20.47Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.21.47Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemma.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A2803:f800:50::6ca2:c070🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemma.ns.cloudflare.com
A2a06:98c1:50::ac40:2070🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemma.ns.cloudflare.com
A108.162.192.112🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A172.64.32.112🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A173.245.58.112🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
NSjerry.ns.cloudflare.com
A2606:4700:58::adf5:3bb6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerry.ns.cloudflare.com
A2803:f800:50::6ca2:c1b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjerry.ns.cloudflare.com
A2a06:98c1:50::ac40:21b6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjerry.ns.cloudflare.com
A108.162.193.182🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerry.ns.cloudflare.com
A172.64.33.182🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerry.ns.cloudflare.com
A173.245.59.182🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerry.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.18.20.47, 104.18.21.47
IPv62606:4700::6812:142f, 2606:4700::6812:152f
SOAemma.ns.cloudflare.comdns@cloudflare.com serial=2397620794

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐ 🔒
NSa2.nic.io 🔒
NSb0.nic.io 🔒
NSc0.nic.io 🔒
SOAa0.nic.iohostmaster@donuts.email serial=1772955538

Subdomains

www.6f.io
kipp.6f.io

Same first word

6f.eu
6f.fr
6f.sk
6f.be
6f.com
6f.se
6f.de
6f.hu
6f.dk
6f.pl
6f.cz
6f.ro
6f.am
6f.io
6f.org

Similar names

f6.ms
f6.su
f6.net
f6.org
f6.com.tw
f6.dev
f6.fr
f6.ae
f6.cc
f6.ru
f6.security
f6.se
f6.com.sa
f6.hu
f6.cn
f6.gl
f6.com.vn
f6.co.uk
f6.biz
f6.de
f6.co.kr
f6.nl
f6.fi
f6.com
f6.team
f6.sk

DNS History

18 records (8 active, 10 former)

201820192020202120222023202420252026NSemma.ns.cloudflare.comjerry.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.18.20.47104.18.21.472606:4700::6812:142f2606:4700::6812:152f104.18.0.65104.18.1.65213.168.250.2332606:4700::6812:1412606:4700::6812:41
●NSemma.ns.cloudflare.com2017-03-16 → 2026-03-10 · 2 obs
● 2017-03-16 19:03:18
● 2026-03-10 14:09:38
●NSjerry.ns.cloudflare.com2017-03-16 → 2026-03-10 · 2 obs
● 2017-03-16 19:03:18
● 2026-03-10 14:09:38
○MXalt1.aspmx.l.google.com2020-11-05 → 2020-11-05 · 3 obs
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
○MXalt2.aspmx.l.google.com2020-11-05 → 2020-11-05 · 3 obs
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
○MXalt3.aspmx.l.google.com2020-11-05 → 2020-11-05 · 3 obs
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
○MXalt4.aspmx.l.google.com2020-11-05 → 2020-11-05 · 3 obs
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
○MXaspmx.l.google.com2020-11-05 → 2020-11-05 · 3 obs
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
●MXin1-smtp.messagingengine.com2026-02-23 → 2026-03-10 · 3 obs
○ 2020-11-05 18:16:50
● 2026-02-23 21:47:14
● 2026-03-10 14:09:38
●MXin2-smtp.messagingengine.com2026-02-23 → 2026-03-10 · 3 obs
○ 2020-11-05 18:16:50
● 2026-02-23 21:47:14
● 2026-03-10 14:09:38
○A104.18.0.652020-11-05 → 2020-11-05 · 4 obs
○ 2017-03-16 19:03:18
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
○A104.18.1.652020-11-05 → 2020-11-05 · 4 obs
○ 2017-03-16 19:03:18
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
●A104.18.20.472026-02-23 → 2026-03-10 · 3 obs
○ 2020-11-05 18:16:50
● 2026-02-23 21:47:14
● 2026-03-10 14:09:38
●A104.18.21.472026-02-23 → 2026-03-10 · 3 obs
○ 2020-11-05 18:16:50
● 2026-02-23 21:47:14
● 2026-03-10 14:09:38
○A213.168.250.2332017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 19:03:18
○ 2020-11-05 18:16:50
○ 2026-03-10 14:09:38
○A2606:4700::6812:1412020-11-05 → 2020-11-05 · 4 obs
○ 2017-03-16 19:03:18
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38
●A2606:4700::6812:142f2026-02-23 → 2026-03-10 · 3 obs
○ 2020-11-05 18:16:50
● 2026-02-23 21:47:14
● 2026-03-10 14:09:38
●A2606:4700::6812:152f2026-02-23 → 2026-03-10 · 3 obs
○ 2020-11-05 18:16:50
● 2026-02-23 21:47:14
● 2026-03-10 14:09:38
○A2606:4700::6812:412020-11-05 → 2020-11-05 · 4 obs
○ 2017-03-16 19:03:18
● 2020-11-05 18:16:50
○ 2026-02-23 21:47:14
○ 2026-03-10 14:09:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
6f.iojerry.ns.cloudflare.com, emma.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.33.182

NS records: jerry.ns.cloudflare.com, emma.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 761ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.20.47, 104.18.21.47
AAAA22606:4700::6812:152f, 2606:4700::6812:142f
NS2emma.ns.cloudflare.com, jerry.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ?
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emma.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

6f.io is a parent of www.6f.io and kipp.6f.io.

IP Addresses

6f.io resolves to four IP numbers: 2606:4700::6812:142f, 2606:4700::6812:152f, 104.18.20.47 and 104.18.21.47.

Other host names such as gtaa.co, flydoc.ua, career.bangchak.co.th.cdn.cloudflare.net, investor.bangchak.co.th.cdn.cloudflare.net and cashier.betwarrior.bet.ar share IPs with 6f.io.

Name Servers

6f.io is delegated to two name servers: emma.ns.cloudflare.com and jerry.ns.cloudflare.com.

6f.io shares the same name server setup as 12-mes.ru, game-debate.com, hapag-lloyd.fr, jhatkaa.org and dote.ch.

6f.io at least partially shares name servers with other domains, for instance burgessgroup.com.au, groupegilbert.com, storyteller.travel, leadfox367.com and massbuy.ca.

these name servers are often used in conjunction with the name servers sandy.ns.cloudflare.com.

Host names with six IP numbers:

emma.ns.cloudflare.com points to 2606:4700:50::adf5:3a70, 2803:f800:50::6ca2:c070, 2a06:98c1:50::ac40:2070, 108.162.192.112, 172.64.32.112 and 173.245.58.112.

jerry.ns.cloudflare.com points to 2606:4700:58::adf5:3bb6, 2803:f800:50::6ca2:c1b6, 2a06:98c1:50::ac40:21b6, 108.162.193.182, 172.64.33.182 and 173.245.59.182.

Mail Servers

6f.io is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup for 6f.io matches that of other domains, for instance pearlskelton.com, kalf.us, ns.rateu.de, fasthorse.org and aaronbarn.com.

6f.io shares mail servers with other domains, for instance geborkt.org and vichouse.co.uk.

Eight IP numbers per host name: in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Four IP numbers per host name: in2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.