classflow.com - dns.ninja

`classflow.com`

DNSSEC	⚠️ Not signed
A	15.197.172.60^{🇺🇸 Amazon15.197.160.0/20}
		PTR	`a63452c77db78f54b.awsglobalaccelerator.com`
NS	`dns1.name-services.com` ⭐
		A	2604:4000:2800:2000:64:98:148:137^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`dns1.name-services.com`
		A	64.98.148.137^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`dns1.name-services.com`
NS	`dns2.name-services.com`
		A	2604:4000:0:d:216:40:47:201^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`dns2.name-services.com`
		A	216.40.47.201^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`dns2.name-services.com`
NS	`dns3.name-services.com`
		A	2604:4000:2800:2000:64:98:148:138^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`dns3.name-services.com`
		A	64.98.148.138^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`dns3.name-services.com`
NS	`dns4.name-services.com`
		A	2604:4000:0:d:216:40:47:202^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`dns4.name-services.com`
		A	216.40.47.202^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`dns4.name-services.com`
NS	`dns5.name-services.com`
		A	2604:4000:2800:2000:64:98:148:139^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`dns5.name-services.com`
		A	64.98.148.139^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`dns5.name-services.com`
SOA	`dns1.name-services.com`info@name-services.com serial=1780739206

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781862870

rank #667229 globally
rank #290528 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #611,468

Subdomains

cdn.classflow.com

community.classflow.com

rcps-collab.classflow.com

prod-collab.classflow.com

prod.classflow.com

site.classflow.com

rcps.classflow.com

try.classflow.com

Same first word

classflow.lv

classflow.de

classflow.co.uk

classflow.lt

classflow.in

classflow.com

classflow.fr

classflow.co

Similar names

flowclass.io

DNS History

33 records (6 active, 27 former)

○NSandy.ns.cloudflare.com2015-08-20 → 2015-12-08 · 4 obs

● 2015-08-20 15:09:40
● 2015-12-08 14:58:36
○ 2016-03-30 08:15:34
○ 2026-06-19 10:16:52

●NSdns1.name-services.com2026-06-17 → 2026-06-19 · 3 obs

○ 2026-05-31 20:28:08
● 2026-06-17 21:56:20
● 2026-06-19 10:16:52

●NSdns2.name-services.com2026-06-17 → 2026-06-19 · 3 obs

○ 2026-05-31 20:28:08
● 2026-06-17 21:56:20
● 2026-06-19 10:16:52

●NSdns3.name-services.com2026-06-17 → 2026-06-19 · 3 obs

○ 2026-05-31 20:28:08
● 2026-06-17 21:56:20
● 2026-06-19 10:16:52

●NSdns4.name-services.com2026-06-17 → 2026-06-19 · 3 obs

○ 2026-05-31 20:28:08
● 2026-06-17 21:56:20
● 2026-06-19 10:16:52

●NSdns5.name-services.com2026-06-17 → 2026-06-19 · 3 obs

○ 2026-05-31 20:28:08
● 2026-06-17 21:56:20
● 2026-06-19 10:16:52

○NSgail.ns.cloudflare.com2015-08-20 → 2015-12-08 · 4 obs

● 2015-08-20 15:09:40
● 2015-12-08 14:58:36
○ 2016-03-30 08:15:34
○ 2026-06-19 10:16:52

○NSns-1114.awsdns-11.org2016-03-30 → 2026-05-31 · 5 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○NSns-1954.awsdns-52.co.uk2016-03-30 → 2026-05-31 · 5 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○NSns-218.awsdns-27.com2016-03-30 → 2026-05-31 · 5 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○NSns-791.awsdns-34.net2016-03-30 → 2026-05-31 · 5 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○MXeuk1.prometheanworld.com2015-08-20 → 2017-02-15 · 4 obs

● 2015-08-20 15:09:40
● 2017-02-15 08:50:20
○ 2026-02-16 23:59:08
○ 2026-06-19 10:16:52

○MXmx.zoho.com2026-02-16 → 2026-05-31 · 5 obs

○ 2017-02-15 08:50:20
● 2026-02-16 23:59:08
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○MXmx2.zoho.com2026-02-16 → 2026-05-31 · 5 obs

○ 2017-02-15 08:50:20
● 2026-02-16 23:59:08
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○MXmx3.zoho.com2026-02-16 → 2026-05-31 · 5 obs

○ 2017-02-15 08:50:20
● 2026-02-16 23:59:08
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○MXus.prometheanworld.com2016-07-19 → 2017-02-15 · 5 obs

○ 2016-03-30 08:15:34
● 2016-07-19 23:43:18
● 2017-02-15 08:50:20
○ 2026-02-16 23:59:08
○ 2026-06-19 10:16:52

○MXusa.prometheanworld.com2015-08-20 → 2016-03-30 · 4 obs

● 2015-08-20 15:09:40
● 2016-03-30 08:15:34
○ 2016-07-19 23:43:18
○ 2026-06-19 10:16:52

●A15.197.172.602026-06-17 → 2026-06-19 · 3 obs

○ 2026-05-31 20:28:08
● 2026-06-17 21:56:20
● 2026-06-19 10:16:52

○A162.159.135.422026-02-16 → 2026-05-31 · 5 obs

○ 2017-02-15 08:50:20
● 2026-02-16 23:59:08
● 2026-05-31 20:28:08
○ 2026-06-17 21:56:20
○ 2026-06-19 10:16:52

○A162.159.247.2132015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 15:09:40
○ 2015-12-08 14:58:36
○ 2026-06-19 10:16:52

○A162.159.248.2132015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 15:09:40
○ 2015-12-08 14:58:36
○ 2026-06-19 10:16:52

○A35.162.191.942017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-19 23:43:18
● 2017-02-15 08:50:20
○ 2026-02-16 23:59:08
○ 2026-06-19 10:16:52

○A52.10.250.2022017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-19 23:43:18
● 2017-02-15 08:50:20
○ 2026-02-16 23:59:08
○ 2026-06-19 10:16:52

○A52.11.72.1992015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-20 15:09:40
● 2015-12-08 14:58:36
○ 2016-03-30 08:15:34
○ 2026-06-19 10:16:52

○A52.27.198.112016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-30 08:15:34
● 2016-07-19 23:43:18
○ 2017-02-15 08:50:20
○ 2026-06-19 10:16:52

○A52.27.200.1272016-03-30 → 2016-03-30 · 4 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
○ 2016-07-19 23:43:18
○ 2026-06-19 10:16:52

○A52.36.121.2342016-03-30 → 2016-03-30 · 4 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
○ 2016-07-19 23:43:18
○ 2026-06-19 10:16:52

○A52.42.30.592017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-19 23:43:18
● 2017-02-15 08:50:20
○ 2026-02-16 23:59:08
○ 2026-06-19 10:16:52

○A52.42.8.402016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-30 08:15:34
● 2016-07-19 23:43:18
○ 2017-02-15 08:50:20
○ 2026-06-19 10:16:52

○A54.148.91.2492016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-30 08:15:34
● 2016-07-19 23:43:18
○ 2017-02-15 08:50:20
○ 2026-06-19 10:16:52

○A54.149.167.1312015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-20 15:09:40
● 2015-12-08 14:58:36
○ 2016-03-30 08:15:34
○ 2026-06-19 10:16:52

○A54.200.20.1252015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-20 15:09:40
● 2015-12-08 14:58:36
○ 2016-03-30 08:15:34
○ 2026-06-19 10:16:52

○A54.69.9.2372016-03-30 → 2016-03-30 · 4 obs

○ 2015-12-08 14:58:36
● 2016-03-30 08:15:34
○ 2016-07-19 23:43:18
○ 2026-06-19 10:16:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
classflow.com	dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com...	10 records

✅ Authoritative Response

Server:64.98.148.139

NS records: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com, dns5.name-services.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for classflow.com

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`15.197.172.60`
NS	5	`dns5.name-services.com, dns1.name-services.com...`
SOA	1	`dns1.name-services.com info.name-service`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (dns1.name-services.com, dns1.name-services.com, dns2.name-services.com...)

Analysis

Hierarchy

classflow.com is the parent domain of cdn.classflow.com, community.classflow.com, rcps-collab.classflow.com, prod-collab.classflow.com, prod.classflow.com and a few other host names.

IP Addresses

classflow.com resolves to just one IP address, 15.197.172.60.

Two other host names, along with jemmacleveringa.com, elephantpod.com and shortcited.com, also share IP numbers with classflow.com.

Name Servers

classflow.com delegates to five name servers: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com and two others.

classflow.com shares at least some of its name servers with other domains, including ltfs.cloud, nneacc.org, madisonmeetingcenter.com and two others.

These name servers are frequently paired with the name servers dns4.name-services.com and dns5.name-services.com.

Host names that have two IP addresses:

dns1.name-services.com points to 64.98.148.137 and 2604:4000:2800:2000:64:98:148:137.

dns2.name-services.com points to 216.40.47.201 and 2604:4000:0:d:216:40:47:201.

dns3.name-services.com points to 64.98.148.138 and 2604:4000:2800:2000:64:98:148:138.

dns4.name-services.com points to 216.40.47.202 and 2604:4000:0:d:216:40:47:202.

dns5.name-services.com points to 64.98.148.139 and 2604:4000:2800:2000:64:98:148:139.