of.sb - robtex.com

of.sb

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d7e2🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:234f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.35.79Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.226🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoan.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A2803:f800:50::6ca2:c0ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjoan.ns.cloudflare.com
A2a06:98c1:50::ac40:20ad🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjoan.ns.cloudflare.com
A108.162.192.173🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A172.64.32.173🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A173.245.58.173🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
NSsri.ns.cloudflare.com
A2606:4700:58::adf5:3bea🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsri.ns.cloudflare.com
A2803:f800:50::6ca2:c1ea🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsri.ns.cloudflare.com
A2a06:98c1:50::ac40:21ea🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsri.ns.cloudflare.com
A108.162.193.234🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsri.ns.cloudflare.com
A172.64.33.234🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsri.ns.cloudflare.com
A173.245.59.234🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsri.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
IPv4 hints104.21.35.79, 172.67.215.226
IPv6 hints2606:4700:3030::ac43:d7e2, 2606:4700:3032::6815:234f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=144, name=cloudflare-ech.com
SOAjoan.ns.cloudflare.comdns@cloudflare.com serial=2406545300

sb

DNSSEC🔒 Signed (DS record present)
NSdns1.telekom.net.sb ⭐
NSns1.anycastdns.cz
NSns2.anycastdns.cz
NSpch.nic.sb
TXTGeneration Time: 1782085037
TXTGeneration Time ISO 8601: 2026-06-21 23:37:17
SOAdns1.telekom.net.sbdns@telekom.net.sb 2026-06-21 #11

Same first word

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DNS History

8 records (8 active, 0 former)

NSjoan.ns.cloudflare.comsri.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA104.21.35.79172.67.215.2262606:4700:3030::ac43:d7e22606:4700:3032::6815:234f
●NSjoan.ns.cloudflare.com2026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●NSsri.ns.cloudflare.com2026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●MXin1-smtp.messagingengine.com2026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●MXin2-smtp.messagingengine.com2026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●A104.21.35.792026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●A172.67.215.2262026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●A2606:4700:3030::ac43:d7e22026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40
●A2606:4700:3032::6815:234f2026-06-10 → 2026-06-22 · 2 obs
● 2026-06-10 15:53:26
● 2026-06-22 00:46:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sbns1.anycastdns.cz, ns2.anycastdns.cz, pch.nic.sb5 records
of.sbsri.ns.cloudflare.com, joan.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.173

NS records: sri.ns.cloudflare.com, joan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for of.sb (unsigned zone)

⏱️ Timing

Total: 641ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.215.226, 104.21.35.79
AAAA22606:4700:3032::6815:234f, 2606:4700:3030::ac43:d7e2
NS2joan.ns.cloudflare.com, sri.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",
SOA1joan.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 5

In-bailiwick: 2 (pch.nic.sb, pch.nic.sb)

Out-of-bailiwick: 3 (ns1.anycastdns.cz, ns1.anycastdns.cz, ns2.anycastdns.cz)

Analysis

IP Addresses

of.sb resolves to four IP addresses: 104.21.35.79, 172.67.215.226, 2606:4700:3030::ac43:d7e2 and 2606:4700:3032::6815:234f.

www.meuvizinhopardini.com.br, (0x626f6e64616765)devicevideos.com, rapidwave.us plus two other host names have IP numbers in common with of.sb.

Name Servers

Two name servers handle the delegation for of.sb: joan.ns.cloudflare.com and sri.ns.cloudflare.com.

The name server configuration of of.sb is shared with other domains, for instance sharlynr61.cfd, accounts-ukr-net.shop, agrotehc75qw.asia and two others.

of.sb shares at least some of its name servers with other domains, including unitifiber.com, portcullisinsurance.co.uk, rhdd.org and two others.

These name servers are frequently paired with the name servers khalid.ns.cloudflare.com and kai.ns.cloudflare.com.

Hosts with 6 IP addresses each:

joan.ns.cloudflare.com resolves to 108.162.192.173, 172.64.32.173 and 173.245.58.173 among others, with 3 other IP addresses in total.

sri.ns.cloudflare.com resolves to 108.162.193.234, 172.64.33.234 and 173.245.59.234 among others, with 3 other IP addresses in total.

Mail Servers

of.sb uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of of.sb matches that of other domains such as walisever.com, scbullion.com, myhiddenforest.com.au and two others.

of.sb uses mail servers that are also used by other domains, including weblandplanet.com, yfynet.com and philgreene.com.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Host names with four IP addresses:

in2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.