mail.opsource.net - robtex.com

mail.opsource.net

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4a5b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c910🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.16🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.91, 172.67.201.16
IPv6 hints2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=174, name=cloudflare-ech.com

opsource.net

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4a5b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c910🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.16🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfrank.ns.cloudflare.com ⭐
NStess.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.91, 172.67.201.16
IPv6 hints2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=174, name=cloudflare-ech.com
SOAfrank.ns.cloudflare.comdns@cloudflare.com serial=2402256245
WOT: SAFE (60/100)
WOT: SAFE (62/100)
📈 Tranco rank: #246,160

Previously MX for

util02.sjc01.opsource.net
dsl01.sjc01.opsource.net
www.opsource.net

Same first word

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mail.school
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DNS History

25 records (4 active, 21 former)

20162017201820192020202120222023202420252026A104.21.74.91172.67.201.162606:4700:3032::6815:4a5b2606:4700:3035::ac43:c910104.105.88.195104.74.44.103104.82.103.221104.82.234.127118.215.85.94184.25.148.215184.86.180.146185.3.28.7723.1.195.18223.196.139.12323.219.214.14623.220.33.16723.220.56.12023.37.145.22723.74.65.22723.75.105.21323.9.131.27CNAMEcloud.dimensiondata.comcloud.dimensiondata.com.edgekey.nete1003.ksd.akamaiedge.netwww.opsource.net
○A104.105.88.1952016-04-14 → 2016-05-04 · 5 obs
○ 2016-03-04 17:06:08
● 2016-04-14 14:38:48
● 2016-05-04 12:19:38
○ 2016-05-17 14:46:34
○ 2026-04-24 14:51:00
●A104.21.74.912026-04-24 → 2026-04-24 · 2 obs
○ 2021-09-02 15:39:34
● 2026-04-24 14:51:00
○A104.74.44.1032015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
○A104.82.103.2212015-11-30 → 2015-11-30 · 4 obs
○ 2015-11-19 10:57:04
● 2015-11-30 07:32:26
○ 2016-02-03 21:41:16
○ 2026-04-24 14:51:00
○A104.82.234.1272016-02-03 → 2016-02-03 · 4 obs
○ 2015-11-30 07:32:26
● 2016-02-03 21:41:16
○ 2016-02-10 12:57:22
○ 2026-04-24 14:51:00
○A118.215.85.942015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
●A172.67.201.162026-04-24 → 2026-04-24 · 2 obs
○ 2021-09-02 15:39:34
● 2026-04-24 14:51:00
○A184.25.148.2152015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
○A184.86.180.1462015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
○A185.3.28.772016-09-07 → 2016-12-25 · 5 obs
○ 2016-05-17 14:46:34
● 2016-09-07 11:33:44
● 2016-12-25 20:40:26
○ 2021-09-02 15:39:34
○ 2026-04-24 14:51:00
○A23.1.195.1822015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
○A23.196.139.1232016-02-24 → 2016-02-24 · 4 obs
○ 2016-02-10 12:57:22
● 2016-02-24 03:27:50
○ 2016-03-04 17:06:08
○ 2026-04-24 14:51:00
○A23.219.214.1462015-11-19 → 2015-11-19 · 4 obs
○ 2015-08-10 19:06:32
● 2015-11-19 10:57:04
○ 2015-11-30 07:32:26
○ 2026-04-24 14:51:00
○A23.220.33.1672016-05-17 → 2016-05-17 · 4 obs
○ 2016-05-04 12:19:38
● 2016-05-17 14:46:34
○ 2016-09-07 11:33:44
○ 2026-04-24 14:51:00
○A23.220.56.1202016-02-10 → 2016-02-10 · 4 obs
○ 2016-02-03 21:41:16
● 2016-02-10 12:57:22
○ 2016-02-24 03:27:50
○ 2026-04-24 14:51:00
○A23.37.145.2272015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
○A23.74.65.2272015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
○A23.75.105.2132016-03-04 → 2016-03-04 · 4 obs
○ 2016-02-24 03:27:50
● 2016-03-04 17:06:08
○ 2016-04-14 14:38:48
○ 2026-04-24 14:51:00
○A23.9.131.272015-08-10 → 2015-08-10 · 2 obs
● 2015-08-10 19:06:32
○ 2026-04-24 14:51:00
●A2606:4700:3032::6815:4a5b2026-04-24 → 2026-04-24 · 2 obs
○ 2021-09-02 15:39:34
● 2026-04-24 14:51:00
●A2606:4700:3035::ac43:c9102026-04-24 → 2026-04-24 · 2 obs
○ 2021-09-02 15:39:34
● 2026-04-24 14:51:00
○CNAMEcloud.dimensiondata.com2015-11-19 → 2016-12-25 · 5 obs
○ 2015-08-10 19:06:32
● 2015-11-19 10:57:04
● 2016-12-25 20:40:26
○ 2021-09-02 15:39:34
○ 2026-04-24 14:51:00
○CNAMEcloud.dimensiondata.com.edgekey.net2015-11-19 → 2016-05-17 · 5 obs
○ 2015-08-10 19:06:32
● 2015-11-19 10:57:04
● 2016-05-17 14:46:34
○ 2016-09-07 11:33:44
○ 2026-04-24 14:51:00
○CNAMEe1003.ksd.akamaiedge.net2015-11-19 → 2016-05-17 · 5 obs
○ 2015-08-10 19:06:32
● 2015-11-19 10:57:04
● 2016-05-17 14:46:34
○ 2016-09-07 11:33:44
○ 2026-04-24 14:51:00
○CNAMEwww.opsource.net2015-08-10 → 2021-09-02 · 3 obs
● 2015-08-10 19:06:32
● 2021-09-02 15:39:34
○ 2026-04-24 14:51:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netb.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...-
opsource.netfrank.ns.cloudflare.com, tess.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.227

NS records: frank.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opsource.net (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.74.91, 172.67.201.16
AAAA22606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.opsource.net maps to four IP numbers: 2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910, 104.21.74.91 and 172.67.201.16.

Other host names such as ns1.megacp.com.istenesversek.hu, dawningularity.com, mks.com.pl, geegeegiraffe.com and vnco.info share IPs with mail.opsource.net.