fclass.com - dns.ninja
fclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.50.196.137🇺🇸 Charter_Communications47.50.128.0/17 Charter Communications LLC | ||||||
| PTR | syn-047-050-196-137.biz.spectrum.com | ||||||
| NS | ns3.worldnic.com ⭐ | ||||||
| A | 162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | powerdns-prod06.dc.tutum.co | ||||||
| NS | ns4.worldnic.com | ||||||
| A | 162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail3.firstclasssolutions.net ⭐ | ||||||
| A | 47.50.196.135🇺🇸 Charter_Communications47.50.128.0/17 Charter Communications LLC | ||||||
| PTR | mail3.firstclasssolutions.net | ||||||
| SOA | NS3.WORLDNIC.comnamehost@WORLDNIC.com serial=126011509 | ||||||
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.netnstld@verisign-grs.com serial=1783298396 | ||||||
Same first word
fclass.be |
fclass.org |
fclass.eu |
fclass.ie |
fclass.com.mx |
fclass.ru |
fclass.it |
fclass.com |
fclass.vn |
fclass.space |
fclass.es |
fclass.net |
Similar names
sascfl.com |
classf.com |
calfss.edu.hk |
lfssca.com |
flsacs.com |
classf.co |
lasfsc.com |
salfcs.org |
afcsls.org |
flacss.de |
sfslac.org |
calsfs.com |
ssaclf.com |
cssfla.com |
DNS History
13 records (4 active, 9 former)
○NSfcs.firstclasssolutions.net2007-10-23 → 2020-03-23 · 4 obs
● 2020-03-23 17:39:58
○ 2026-04-23 02:58:48
○ 2026-07-06 00:40:20
○NSns1.firstclasssolutions.net2015-12-18 → 2020-03-23 · 5 obs
● 2015-12-18 03:33:58
● 2020-03-23 17:39:58
○ 2026-04-23 02:58:48
○ 2026-07-06 00:40:20
●NSns3.worldnic.com2026-04-23 → 2026-07-06 · 3 obs
● 2026-04-23 02:58:48
● 2026-07-06 00:40:20
●NSns4.worldnic.com2026-04-23 → 2026-07-06 · 3 obs
● 2026-04-23 02:58:48
● 2026-07-06 00:40:20
○NSu1500v.firstclasssolutions.net2015-05-29 → 2020-03-23 · 5 obs
● 2015-05-29 15:48:08
● 2020-03-23 17:39:58
○ 2026-04-23 02:58:48
○ 2026-07-06 00:40:20
○MXfcs.firstclasssolutions.net2016-03-18 → 2020-03-23 · 5 obs
● 2016-03-18 04:16:34
● 2020-03-23 17:39:58
○ 2026-04-23 02:58:48
○ 2026-07-06 00:40:20
○MXmail2.firstclasssolutions.net2007-10-23 → 2007-10-23 · 3 obs
○ 2015-05-29 15:48:08
○ 2026-07-06 00:40:20
●MXmail3.firstclasssolutions.net2015-05-29 → 2026-07-06 · 3 obs
● 2015-05-29 15:48:08
● 2026-07-06 00:40:20
○A206.114.196.92015-05-29 → 2015-12-18 · 5 obs
● 2015-05-29 15:48:08
● 2015-12-18 03:33:58
○ 2016-03-18 04:16:34
○ 2026-07-06 00:40:20
○A209.83.202.42007-10-23 → 2007-10-23 · 3 obs
○ 2015-05-29 15:48:08
○ 2026-07-06 00:40:20
●A47.50.196.1372026-04-23 → 2026-07-06 · 3 obs
● 2026-04-23 02:58:48
● 2026-07-06 00:40:20
○A47.50.196.1412026-04-23 → 2026-07-06 · 2 obs
○ 2026-07-06 00:40:20
○A8.26.181.42016-03-18 → 2020-03-23 · 5 obs
● 2016-03-18 04:16:34
● 2020-03-23 17:39:58
○ 2026-04-23 02:58:48
○ 2026-07-06 00:40:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
| fclass.com | ns3.worldnic.com, ns4.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.110
NS records: ns3.worldnic.com, ns4.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fclass.com (unsigned zone)
⏱️ Timing
Total: 284ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.50.196.137 |
| NS | 2 | ns3.worldnic.com, ns4.worldnic.com |
| MX | 1 | mail3.firstclasssolutions.net (pri: 10) |
| SOA | 1 | NS3.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.worldnic.com, ns4.worldnic.com)
Analysis
IP Addresses
fclass.com resolves to just one IP address, 47.50.196.137.
Two other host names, along with www.fcsusa.com, firstclasssolutions.com and titov.com, also share IP numbers with fclass.com.
Name Servers
fclass.com is served by two delegated name servers, ns3.worldnic.com and ns4.worldnic.com.
fclass.com shares its NS records with other domains, for example atlantamanagedservices.net, securitytitle.net, andersonsurveys.com and two others.
fclass.com shares at least some of its name servers with other domains, including waterstep.org, tvwdrybsmt.com, ultimatehotelguide.com and two others.
These name servers are frequently paired with the name servers ns1.worldnic.com and ns2.worldnic.com.
ns3.worldnic.com and ns4.worldnic.com each resolve to one IP number: ns3.worldnic.com points to 162.159.26.110 and ns4.worldnic.com points to 162.159.27.124.
Mail Servers
The sole mail server for fclass.com is mail3.firstclasssolutions.net.
Among the domains sharing a mail server setup with fclass.com are anthion.com, fclass.net, cortrak.com and two others.
There is one IP number for mail3.firstclasssolutions.net: 47.50.196.135.