classesusa.com - dns.ninja

classesusa.com

DNSSEC⚠️ Not signed
A2606:4700::6812:457Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:557Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.4.87Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.5.87Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadaline.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2631🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A2803:f800:50::6ca2:c231🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadaline.ns.cloudflare.com
A2a06:98c1:50::ac40:2231🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadaline.ns.cloudflare.com
A108.162.194.49🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A162.159.38.49Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A172.64.34.49🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
NSjohn.ns.cloudflare.com
A2606:4700:58::adf5:3bb9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
A2803:f800:50::6ca2:c1b9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjohn.ns.cloudflare.com
A2a06:98c1:50::ac40:21b9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjohn.ns.cloudflare.com
A108.162.193.185🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
A172.64.33.185🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
A173.245.59.185🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
TXTfacebook-domain-verification=l2ppc5ndrre1agra2d68zgzz29sbn7
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.18.4.87, 104.18.5.87
IPv6 hints2606:4700::6812:457, 2606:4700::6812:557
SOAadaline.ns.cloudflare.comdns@cloudflare.com serial=2409062809

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785936789
WOT: SUSPICIOUS (17/100)

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSadaline.ns.cloudflare.comjohn.ns.cloudflare.comns1.lowermybills.comns2.lowermybills.comns3.lowermybills.comMXesd-allprod-irm01.lowermybills.commx-cdm-smtp.lowermybills.comA104.18.4.87104.18.5.872606:4700::6812:4572606:4700::6812:557206.130.243.14464.19.237.144
●NSadaline.ns.cloudflare.com2026-02-15 → 2026-08-05 · 3 obs
○ 2017-09-05 06:20:46
● 2026-02-15 00:28:32
● 2026-08-05 13:40:04
●NSjohn.ns.cloudflare.com2026-02-15 → 2026-08-05 · 3 obs
○ 2017-09-05 06:20:46
● 2026-02-15 00:28:32
● 2026-08-05 13:40:04
○NSns1.lowermybills.com2015-09-02 → 2017-09-05 · 4 obs
● 2015-09-02 03:14:50
● 2017-09-05 06:20:46
○ 2026-02-15 00:28:32
○ 2026-08-05 13:40:04
○NSns2.lowermybills.com2015-09-02 → 2017-09-05 · 4 obs
● 2015-09-02 03:14:50
● 2017-09-05 06:20:46
○ 2026-02-15 00:28:32
○ 2026-08-05 13:40:04
○NSns3.lowermybills.com2016-10-02 → 2017-09-05 · 5 obs
○ 2015-09-02 03:14:50
● 2016-10-02 11:47:50
● 2017-09-05 06:20:46
○ 2026-02-15 00:28:32
○ 2026-08-05 13:40:04
○MXesd-allprod-irm01.lowermybills.com2015-09-02 → 2015-09-16 · 4 obs
● 2015-09-02 03:14:50
● 2015-09-16 02:30:24
○ 2015-09-17 06:49:56
○ 2026-08-05 13:40:04
○MXmx-cdm-smtp.lowermybills.com2015-09-17 → 2026-02-17 · 5 obs
○ 2015-09-16 02:30:24
● 2015-09-17 06:49:56
● 2026-02-17 00:55:00
○ 2026-02-18 00:51:58
○ 2026-08-05 13:40:04
●A104.18.4.872026-02-15 → 2026-08-05 · 3 obs
○ 2017-09-05 06:20:46
● 2026-02-15 00:28:32
● 2026-08-05 13:40:04
●A104.18.5.872026-02-15 → 2026-08-05 · 3 obs
○ 2017-09-05 06:20:46
● 2026-02-15 00:28:32
● 2026-08-05 13:40:04
○A206.130.243.1442016-09-14 → 2017-09-05 · 5 obs
○ 2016-08-04 05:53:04
● 2016-09-14 04:56:04
● 2017-09-05 06:20:46
○ 2026-02-15 00:28:32
○ 2026-08-05 13:40:04
●A2606:4700::6812:4572026-02-15 → 2026-08-05 · 3 obs
○ 2017-09-05 06:20:46
● 2026-02-15 00:28:32
● 2026-08-05 13:40:04
●A2606:4700::6812:5572026-02-15 → 2026-08-05 · 3 obs
○ 2017-09-05 06:20:46
● 2026-02-15 00:28:32
● 2026-08-05 13:40:04
○A64.19.237.1442015-09-02 → 2016-08-04 · 4 obs
● 2015-09-02 03:14:50
● 2016-08-04 05:53:04
○ 2016-09-14 04:56:04
○ 2026-08-05 13:40:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
classesusa.comjohn.ns.cloudflare.com, adaline.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.185

NS records: john.ns.cloudflare.com, adaline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classesusa.com (unsigned zone)

⏱️ Timing

Total: 1110ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.4.87, 104.18.5.87
AAAA22606:4700::6812:457, 2606:4700::6812:557
NS2adaline.ns.cloudflare.com, john.ns.cloudflare.com
TXT1facebook-domain-verification=l2ppc5ndrre
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1adaline.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

classesusa.com resolves to four IP addresses: 104.18.4.87, 104.18.5.87, 2606:4700::6812:457 and 2606:4700::6812:557.

Name Servers

classesusa.com is served by two delegated name servers, adaline.ns.cloudflare.com and john.ns.cloudflare.com.

Host names with 6 IP numbers:

adaline.ns.cloudflare.com carries IP addresses 108.162.194.49, 162.159.38.49 and 172.64.34.49, with 3 other addresses beyond those.

john.ns.cloudflare.com carries IP addresses 108.162.193.185, 172.64.33.185 and 173.245.59.185, with 3 other addresses beyond those.