www.classclef.com - robtex.com

www.classclef.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:262🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:810f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.98Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.15🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.2.98, 172.67.129.15
IPv62606:4700:3032::6815:262, 2606:4700:3033::ac43:810f

classclef.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:262🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:810f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.98Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.15🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScolin.ns.cloudflare.com ⭐
NSsydney.ns.cloudflare.com
MX_dc-mx.741e1373e918.classclef.com ⭐
TXTgoogle-site-verification=IeJ-Gl5xr9I0P3ABPX4V4dMgz1hhNjE-vh7U2sosIVU
TXTv=spf1 +a +mx +ip4:173.247.245.122 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.2.98, 172.67.129.15
IPv62606:4700:3032::6815:262, 2606:4700:3033::ac43:810f
SOAcolin.ns.cloudflare.comdns@cloudflare.com serial=2399663758
WOT: SAFE (88/100)
WOT: SAFE (88/100)

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DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026MXmx.classclef.comA104.21.2.98172.67.129.152606:4700:3032::6815:2622606:4700:3033::ac43:810f188.114.96.0188.114.97.0198.1.122.452a06:98c1:3120::2a06:98c1:3121::66.96.147.11566.96.149.1666.96.149.20
○MXmx.classclef.com2015-08-09 → 2015-11-29 · 4 obs
● 2015-08-09 00:50:00
● 2015-11-29 23:21:44
○ 2016-02-28 16:29:30
○ 2026-03-31 08:16:32
●A104.21.2.982026-03-01 → 2026-03-31 · 6 obs
○ 2018-07-05 17:05:58
● 2026-03-01 17:22:56
● 2026-03-14 08:49:28
○ 2026-03-17 12:45:28
● 2026-03-20 20:50:20
● 2026-03-31 08:16:32
●A172.67.129.152026-03-01 → 2026-03-31 · 6 obs
○ 2018-07-05 17:05:58
● 2026-03-01 17:22:56
● 2026-03-14 08:49:28
○ 2026-03-17 12:45:28
● 2026-03-20 20:50:20
● 2026-03-31 08:16:32
○A188.114.96.02026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-14 08:49:28
● 2026-03-17 12:45:28
○ 2026-03-20 20:50:20
○ 2026-03-31 08:16:32
○A188.114.97.02026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-14 08:49:28
● 2026-03-17 12:45:28
○ 2026-03-20 20:50:20
○ 2026-03-31 08:16:32
○A198.1.122.452018-07-05 → 2018-07-05 · 4 obs
○ 2017-02-08 05:30:04
● 2018-07-05 17:05:58
○ 2026-03-01 17:22:56
○ 2026-03-31 08:16:32
●A2606:4700:3032::6815:2622026-03-01 → 2026-03-31 · 6 obs
○ 2018-07-05 17:05:58
● 2026-03-01 17:22:56
● 2026-03-14 08:49:28
○ 2026-03-17 12:45:28
● 2026-03-20 20:50:20
● 2026-03-31 08:16:32
●A2606:4700:3033::ac43:810f2026-03-01 → 2026-03-31 · 6 obs
○ 2018-07-05 17:05:58
● 2026-03-01 17:22:56
● 2026-03-14 08:49:28
○ 2026-03-17 12:45:28
● 2026-03-20 20:50:20
● 2026-03-31 08:16:32
○A2a06:98c1:3120::2026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-14 08:49:28
● 2026-03-17 12:45:28
○ 2026-03-20 20:50:20
○ 2026-03-31 08:16:32
○A2a06:98c1:3121::2026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-14 08:49:28
● 2026-03-17 12:45:28
○ 2026-03-20 20:50:20
○ 2026-03-31 08:16:32
○A66.96.147.1152015-08-09 → 2015-11-29 · 4 obs
● 2015-08-09 00:50:00
● 2015-11-29 23:21:44
○ 2016-02-28 16:29:30
○ 2026-03-31 08:16:32
○A66.96.149.162016-02-28 → 2016-06-29 · 5 obs
○ 2015-11-29 23:21:44
● 2016-02-28 16:29:30
● 2016-06-29 17:37:50
○ 2017-02-08 05:30:04
○ 2026-03-31 08:16:32
○A66.96.149.202017-02-08 → 2017-02-08 · 4 obs
○ 2016-06-29 17:37:50
● 2017-02-08 05:30:04
○ 2018-07-05 17:05:58
○ 2026-03-31 08:16:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
classclef.comsydney.ns.cloudflare.com, colin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.75

NS records: sydney.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classclef.com (unsigned zone)

⏱️ Timing

Total: 227ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.2.98, 172.67.129.15
AAAA22606:4700:3033::ac43:810f, 2606:4700:3032::6815:262
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.classclef.com resolves to four IPs: 2606:4700:3032::6815:262, 2606:4700:3033::ac43:810f, 104.21.2.98 and 172.67.129.15.

Other host names, for instance mail.indyscan.com, folkthesystem.com, creativebreakdown.com, moneypromax.com and prepack.io share IP numbers with www.classclef.com.