optfca.com - robtex.com

optfca.com

DNSSEC⚠️ Not signed
A201.5.244.78
NSa6.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb6.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1772598125

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=1776194672

Previously MX for

optfca.com

Same first word

optfca.com

Similar names

topfac.com
factop.cn
fcptoa.org
ptfoca.com
tafcop.co.in
tfocpa.com
topafc.com
fopact.org
pactof.com
topcfa.com
factop.net
opfact.com
otfcpa.com
ftocpa.com.hk

DNS History

21 records (5 active, 16 former)

2017201820192020202120222023202420252026NSa.share-dns.coma6.share-dns.comb.share-dns.netb6.share-dns.netns1.md-in-23.webhostbox.netns2.md-in-23.webhostbox.netns65.domaincontrol.comns66.domaincontrol.comMXmailstore1.secureserver.netoptfca.comsmtp.secureserver.netA201.5.244.78184.168.221.2184.168.221.3184.168.221.3143.225.55.9050.63.202.1350.63.202.250.63.202.2050.63.202.2450.63.202.8
●NSa.share-dns.com2026-04-10 → 2026-04-14 · 3 obs
○ 2017-11-10 00:19:26
● 2026-04-10 12:04:34
● 2026-04-14 19:25:34
●NSa6.share-dns.com2026-04-10 → 2026-04-14 · 3 obs
○ 2017-11-10 00:19:26
● 2026-04-10 12:04:34
● 2026-04-14 19:25:34
●NSb.share-dns.net2026-04-10 → 2026-04-14 · 3 obs
○ 2017-11-10 00:19:26
● 2026-04-10 12:04:34
● 2026-04-14 19:25:34
●NSb6.share-dns.net2026-04-10 → 2026-04-14 · 3 obs
○ 2017-11-10 00:19:26
● 2026-04-10 12:04:34
● 2026-04-14 19:25:34
○NSns1.md-in-23.webhostbox.net2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 00:57:22
○ 2017-11-10 00:19:26
○ 2026-04-14 19:25:34
○NSns2.md-in-23.webhostbox.net2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 00:57:22
○ 2017-11-10 00:19:26
○ 2026-04-14 19:25:34
○NSns65.domaincontrol.com2017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○NSns66.domaincontrol.com2017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○MXmailstore1.secureserver.net2017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○MXoptfca.com2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 00:57:22
○ 2017-11-10 00:19:26
○ 2026-04-14 19:25:34
○MXsmtp.secureserver.net2017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A184.168.221.22017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A184.168.221.32017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A184.168.221.312017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
●A201.5.244.782026-04-10 → 2026-04-14 · 3 obs
○ 2017-11-10 00:19:26
● 2026-04-10 12:04:34
● 2026-04-14 19:25:34
○A43.225.55.902016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 00:57:22
○ 2017-11-10 00:19:26
○ 2026-04-14 19:25:34
○A50.63.202.132017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A50.63.202.22017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A50.63.202.202017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A50.63.202.242017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34
○A50.63.202.82017-11-10 → 2017-11-10 · 4 obs
○ 2016-12-17 00:57:22
● 2017-11-10 00:19:26
○ 2026-04-10 12:04:34
○ 2026-04-14 19:25:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net...-
optfca.comb6.share-dns.net, a6.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b6.share-dns.net, a6.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optfca.com (unsigned zone)

⏱️ Timing

Total: 280ms | Queries: -

📄 Records

TypeCountSample Data
A1201.5.244.78
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a6.share-dns.com)

Analysis

IP Addresses

optfca.com points to a single IP number: 201.5.244.78.

Name Servers

optfca.com is delegated to four name servers: a6.share-dns.com, a.share-dns.com, b6.share-dns.net and b.share-dns.net.

optfca.com at least partially shares name servers with other domains, for instance zh-games-kering.com, hnsycz.com, lzdshj.com, wcwpei.com and hn-xx.com.

These name servers are often used together with the name servers a8.share-dns.com, b8.share-dns.net, a7.share-dns.com, b7.share-dns.net, a12.share-dns.com, b12.share-dns.net, a3.share-dns.com, b3.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.

Host names with one IP:

a6.share-dns.com points to 172.64.53.25.

a.share-dns.com points to 172.64.53.25.

b6.share-dns.net points to 172.64.52.239.

b.share-dns.net points to 172.64.52.239.

Hosts pointing to 172.64.53.25: a6.share-dns.com, a.share-dns.com.

Hosts pointing to 172.64.52.239: b6.share-dns.net, b.share-dns.net.