optimumapc.com - robtex.com

optimumapc.com

DNSSEC⚠️ Not signed
A156.225.22.56🇭🇰 AS401696156.225.20.0/22
NSa10.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
PTRip-172-64-53-25.defastlink.net
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
PTRip-172-64-53-25.defastlink.net
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
PTRip-172-64-52-239.defastlink.net
NSb10.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
PTRip-172-64-52-239.defastlink.net
SOAa.share-dns.commaster@share-dns.com serial=1770021629

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=1771291435

Same first word

optimumapc.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma10.share-dns.comb.share-dns.netb10.share-dns.netf1g1ns1.dnspod.netf1g1ns2.dnspod.netjm1.dns.comjm2.dns.comA156.225.22.56107.183.223.31172.246.195.60
●NSa.share-dns.com2026-03-21 → 2026-03-21 · 2 obs
○ 2020-04-11 00:25:30
● 2026-03-21 09:38:44
●NSa10.share-dns.com2026-03-21 → 2026-03-21 · 2 obs
○ 2020-04-11 00:25:30
● 2026-03-21 09:38:44
●NSb.share-dns.net2026-03-21 → 2026-03-21 · 2 obs
○ 2020-04-11 00:25:30
● 2026-03-21 09:38:44
●NSb10.share-dns.net2026-03-21 → 2026-03-21 · 2 obs
○ 2020-04-11 00:25:30
● 2026-03-21 09:38:44
○NSf1g1ns1.dnspod.net2015-12-02 → 2017-02-09 · 4 obs
● 2015-12-02 00:17:12
● 2017-02-09 06:45:54
○ 2020-04-11 00:25:30
○ 2026-03-21 09:38:44
○NSf1g1ns2.dnspod.net2015-12-02 → 2017-02-09 · 4 obs
● 2015-12-02 00:17:12
● 2017-02-09 06:45:54
○ 2020-04-11 00:25:30
○ 2026-03-21 09:38:44
○NSjm1.dns.com2020-04-11 → 2020-04-11 · 3 obs
○ 2017-02-09 06:45:54
● 2020-04-11 00:25:30
○ 2026-03-21 09:38:44
○NSjm2.dns.com2020-04-11 → 2020-04-11 · 3 obs
○ 2017-02-09 06:45:54
● 2020-04-11 00:25:30
○ 2026-03-21 09:38:44
○A107.183.223.312015-12-02 → 2017-02-09 · 4 obs
● 2015-12-02 00:17:12
● 2017-02-09 06:45:54
○ 2020-04-11 00:25:30
○ 2026-03-21 09:38:44
●A156.225.22.562026-03-21 → 2026-03-21 · 2 obs
○ 2020-04-11 00:25:30
● 2026-03-21 09:38:44
○A172.246.195.602020-04-11 → 2020-04-11 · 3 obs
○ 2017-02-09 06:45:54
● 2020-04-11 00:25:30
○ 2026-03-21 09:38:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
optimumapc.comb10.share-dns.net, a10.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.52.239

NS records: b10.share-dns.net, a10.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimumapc.com (unsigned zone)

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

TypeCountSample Data
A1156.225.22.56
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 (a10.share-dns.com)

Analysis

IP Addresses

optimumapc.com resolves to one IP number: 156.225.22.56.

other host names including sdcotion.com, brtgc.com, www.028liaotu.com, jndncx.com and wskji.com share IP numbers with optimumapc.com.

Name Servers

optimumapc.com is delegated to four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.

optimumapc.com at least partially shares name servers with other domains, for instance zhcn-world-kaiyunsports.com, zixigo.com, comingtibet.com, zva2kjd.com and gzcoal.com.

These name servers are commonly used with the following name servers: a3.share-dns.com, b3.share-dns.net, a6.share-dns.com, b6.share-dns.net, a7.share-dns.com, b7.share-dns.net, a12.share-dns.com, b12.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.

Host names with a single IP:

a10.share-dns.com points to 172.64.53.25.

a.share-dns.com points to 172.64.53.25.

b10.share-dns.net points to 172.64.52.239.

b.share-dns.net points to 172.64.52.239.

Host names pointing to 172.64.53.25: a10.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239: b10.share-dns.net and b.share-dns.net.