pcb4u.com - dns.ninja
pcb4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.221.177.107🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-221-177-107.compute-1.amazonaws.com | ||||||
| NS | ns55.worldnic.com ⭐ | ||||||
| A | 162.159.26.165Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns56.worldnic.com | ||||||
| A | 162.159.27.8Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | trendmicro.fhn.net ⭐ | ||||||
| A | 50.31.171.30🇺🇸 SERVERCENTRAL50.31.128.0/18 | ||||||
| PTR | trendmicro.fhn.net | ||||||
| TXT | v=spf1 include:spf.mailjet.com mx ip4:50.31.171.0/24 ~all | ||||||
| TXT | tsqv9v47evve2o2muctpelil8r | ||||||
| SOA | NS55.WORLDNIC.comnamehost@WORLDNIC@com serial=124121212 | ||||||
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=1786411729 | ||||||
Same first word
pcb4u.com |
Similar names
DNS History
10 records (4 active, 6 former)
○NSns.chicom.com2015-12-24 → 2016-11-21 · 7 obs
● 2015-12-24 10:55:58
● 2016-01-22 06:26:04
○ 2016-04-15 23:50:10
● 2016-11-21 14:16:04
○ 2026-04-10 13:35:38
○ 2026-08-11 01:45:36
○NSns.internetchicago.com2015-10-11 → 2016-11-21 · 5 obs
● 2015-10-11 22:25:04
● 2016-11-21 14:16:04
○ 2026-04-10 13:35:38
○ 2026-08-11 01:45:36
○NSns.iww.net2015-07-15 → 2016-11-21 · 8 obs
● 2015-10-11 22:25:04
○ 2015-12-24 10:55:58
○ 2016-01-22 06:26:04
● 2016-04-15 23:50:10
● 2016-11-21 14:16:04
○ 2026-04-10 13:35:38
○ 2026-08-11 01:45:36
●NSns55.worldnic.com2026-04-10 → 2026-08-11 · 3 obs
● 2026-04-10 13:35:38
● 2026-08-11 01:45:36
●NSns56.worldnic.com2026-04-10 → 2026-08-11 · 3 obs
● 2026-04-10 13:35:38
● 2026-08-11 01:45:36
○MXkiller.fhn.net2015-10-11 → 2016-11-21 · 4 obs
● 2016-11-21 14:16:04
○ 2026-04-10 13:35:38
○ 2026-08-11 01:45:36
○MXkiller.icsp.net2015-10-11 → 2016-11-21 · 4 obs
● 2016-11-21 14:16:04
○ 2026-04-10 13:35:38
○ 2026-08-11 01:45:36
●MXtrendmicro.fhn.net2026-04-10 → 2026-08-11 · 3 obs
● 2026-04-10 13:35:38
● 2026-08-11 01:45:36
○A206.137.182.1012015-07-15 → 2016-11-21 · 4 obs
● 2016-11-21 14:16:04
○ 2026-04-10 13:35:38
○ 2026-08-11 01:45:36
●A3.221.177.1072026-04-10 → 2026-08-11 · 3 obs
● 2026-04-10 13:35:38
● 2026-08-11 01:45:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net... | - |
| pcb4u.com | ns55.worldnic.com, ns56.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.8
NS records: ns55.worldnic.com, ns56.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pcb4u.com (unsigned zone)
⏱️ Timing
Total: 226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.221.177.107 |
| NS | 2 | ns55.worldnic.com, ns56.worldnic.com |
| MX | 1 | trendmicro.fhn.net (pri: 10) |
| TXT | 2 | v=spf1 include:spf.mailjet.com mx ip4:50, tsqv9v47evve2o2muctpelil8r |
| SOA | 1 | NS55.WORLDNIC.com namehost@WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns55.worldnic.com, ns56.worldnic.com)
Analysis
IP Addresses
pcb4u.com has exactly one IP address — 3.221.177.107.
Name Servers
Two name servers handle the delegation for pcb4u.com: ns55.worldnic.com and ns56.worldnic.com.
The name server configuration of pcb4u.com is shared with other domains, for instance craigsmen.com, centurionfundmanagers.com, designbuildusa.info and two others.
pcb4u.com shares at least some of its name servers with other domains, such as ixsounds.com and bdl.com.
ns55.worldnic.com and ns56.worldnic.com each resolve to one IP number: ns55.worldnic.com points to 162.159.26.165 and ns56.worldnic.com points to 162.159.27.8.
Mail Servers
pcb4u.com uses one mail server — trendmicro.fhn.net.
pcb4u.com uses the same mail servers as other domains, including pcbnet.com.
trendmicro.fhn.net carries a single IP number, which is 50.31.171.30.