opensdn.io - robtex.com

opensdn.io

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:219f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a4c8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.33.159Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.164.200🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjobs.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A2803:f800:50::6ca2:c1b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjobs.ns.cloudflare.com
A2a06:98c1:50::ac40:21b7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjobs.ns.cloudflare.com
A108.162.193.183🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A172.64.33.183🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
A173.245.59.183🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjobs.ns.cloudflare.com
NSkiki.ns.cloudflare.com
A2606:4700:50::adf5:3ab4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
A2803:f800:50::6ca2:c0b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkiki.ns.cloudflare.com
A2a06:98c1:50::ac40:20b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkiki.ns.cloudflare.com
A108.162.192.180🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
A172.64.32.180🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
A173.245.58.180🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
MXmail.opensdn.io ⭐
A45.121.60.167🇹🇭 NIPA-AS-TH45.121.60.0/24 NIPA Technology Co., Ltd 72 CAT Telecom Tower, 4th fl., Suite 401-402 Charoen Krung Road, Bangrak
PTRrdnx-60.121.45.ispio.com
TXTMS=ms94399331
TXTv=spf1 a mx ip4:45.121.60.167 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.33.159, 172.67.164.200
IPv6 hints2606:4700:3034::6815:219f, 2606:4700:3036::ac43:a4c8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOAjobs.ns.cloudflare.comdns@cloudflare.com serial=2404461703

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1781724563

Subdomains

mail.opensdn.io

Same first word

opensdn.net
opensdn.io
opensdn.com
opensdn.org

Similar names

sponend.co.uk
opendns.de
opendsn.com
opendns.ru
opendns.info
opendns.com
opendns.ca
opendns.cn
opendns.pl
onspend.com
opendns.at
opendns.org.uk
sponend.org.uk
opennds.com
opendns.it
spendon.no
opendns.be
opendns.net
neponds.com
dnsopen.com
opendns.cl
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opendns.pro
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dnsopen.net
opennsd.com
opendns.ir
nospend.com
opendns.fi
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opendns.mobi
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opendns.com.br
opendns.(0x787878)
opendns.ro
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spendon.se
spendon.info
opendns.co.in
opendns.github.io
opendns.com.cn

DNS History

11 records (7 active, 4 former)

NSjobs.ns.cloudflare.comkiki.ns.cloudflare.comMXmail.opensdn.ioA104.21.33.159172.67.164.2002606:4700:3034::6815:219f2606:4700:3036::ac43:a4c8188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSjobs.ns.cloudflare.com2026-05-25 → 2026-06-17 · 2 obs
● 2026-05-25 18:21:38
● 2026-06-17 19:43:56
●NSkiki.ns.cloudflare.com2026-05-25 → 2026-06-17 · 2 obs
● 2026-05-25 18:21:38
● 2026-06-17 19:43:56
●MXmail.opensdn.io2026-05-25 → 2026-06-17 · 2 obs
● 2026-05-25 18:21:38
● 2026-06-17 19:43:56
●A104.21.33.1592026-05-25 → 2026-06-17 · 5 obs
● 2026-05-25 18:21:38
● 2026-06-06 18:46:24
○ 2026-06-07 20:35:14
● 2026-06-14 14:20:12
● 2026-06-17 19:43:56
●A172.67.164.2002026-05-25 → 2026-06-17 · 5 obs
● 2026-05-25 18:21:38
● 2026-06-06 18:46:24
○ 2026-06-07 20:35:14
● 2026-06-14 14:20:12
● 2026-06-17 19:43:56
○A188.114.96.02026-06-07 → 2026-06-07 · 4 obs
○ 2026-06-06 18:46:24
● 2026-06-07 20:35:14
○ 2026-06-14 14:20:12
○ 2026-06-17 19:43:56
○A188.114.97.02026-06-07 → 2026-06-07 · 4 obs
○ 2026-06-06 18:46:24
● 2026-06-07 20:35:14
○ 2026-06-14 14:20:12
○ 2026-06-17 19:43:56
●A2606:4700:3034::6815:219f2026-05-25 → 2026-06-17 · 5 obs
● 2026-05-25 18:21:38
● 2026-06-06 18:46:24
○ 2026-06-07 20:35:14
● 2026-06-14 14:20:12
● 2026-06-17 19:43:56
●A2606:4700:3036::ac43:a4c82026-05-25 → 2026-06-17 · 5 obs
● 2026-05-25 18:21:38
● 2026-06-06 18:46:24
○ 2026-06-07 20:35:14
● 2026-06-14 14:20:12
● 2026-06-17 19:43:56
○A2a06:98c1:3120::2026-06-07 → 2026-06-07 · 4 obs
○ 2026-06-06 18:46:24
● 2026-06-07 20:35:14
○ 2026-06-14 14:20:12
○ 2026-06-17 19:43:56
○A2a06:98c1:3121::2026-06-07 → 2026-06-07 · 4 obs
○ 2026-06-06 18:46:24
● 2026-06-07 20:35:14
○ 2026-06-14 14:20:12
○ 2026-06-17 19:43:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
opensdn.iojobs.ns.cloudflare.com, kiki.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.180

NS records: jobs.ns.cloudflare.com, kiki.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensdn.io (unsigned zone)

⏱️ Timing

Total: 508ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.164.200, 104.21.33.159
AAAA22606:4700:3036::ac43:a4c8, 2606:4700:3034::6815:219f
NS2jobs.ns.cloudflare.com, kiki.ns.cloudflare.com
MX1mail.opensdn.io (pri: 10)
TXT2MS=ms94399331, v=spf1 a mx ip4:45.121.60.167 ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jobs.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

mail.opensdn.io is delegated beneath opensdn.io.

IP Addresses

opensdn.io directs to four IP numbers, which are 104.21.33.159, 172.67.164.200, 2606:4700:3034::6815:219f and 2606:4700:3036::ac43:a4c8.

Among the host names that share IP numbers with opensdn.io are agenciatucano.com, lsdeyun.com, www.bestapi.top and two others.

Name Servers

opensdn.io uses two name servers for its delegation: jobs.ns.cloudflare.com and kiki.ns.cloudflare.com.

opensdn.io has the same name server delegation as a number of other domains, such as socialmediaexplorer.com, sapphirespas.nz, actl.com and two more.

There is at least partial name server overlap between opensdn.io and other domains — albeit-modishly.space, url2og.com, kaliska.com.br and two more among them.

These name servers frequently co-occur with the name servers walt.ns.cloudflare.com and aleena.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname jobs.ns.cloudflare.com directs to 108.162.193.183, 172.64.33.183 and 173.245.59.183 along with 3 other IP addresses.

Hostname kiki.ns.cloudflare.com directs to 108.162.192.180, 172.64.32.180 and 173.245.58.180 along with 3 other IP addresses.

Mail Servers

opensdn.io routes its mail through a single mail server, mail.opensdn.io.

mail.opensdn.io directs to just one IP number, 45.121.60.167.