ptcprofessor.com - robtex.com

ptcprofessor.com

DNSSEC⚠️ Not signed

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

DNS History

4 records (0 active, 4 former)

20162017201820192020202120222023202420252026NSns.sourcedns.comns1.sourcedns.comMXptcprofessor.comA64.91.226.95
○NSns.sourcedns.com2015-08-17 → 2017-06-22 · 3 obs
● 2015-08-17 05:33:28
● 2017-06-22 05:55:44
○ 2026-03-20 07:24:14
○NSns1.sourcedns.com2015-08-17 → 2017-06-22 · 3 obs
● 2015-08-17 05:33:28
● 2017-06-22 05:55:44
○ 2026-03-20 07:24:14
○MXptcprofessor.com2015-08-17 → 2017-06-22 · 3 obs
● 2015-08-17 05:33:28
● 2017-06-22 05:55:44
○ 2026-03-20 07:24:14
○A64.91.226.952015-08-17 → 2017-06-22 · 3 obs
● 2015-08-17 05:33:28
● 2017-06-22 05:55:44
○ 2026-03-20 07:24:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-

✅ Authoritative Response

Server: 192.55.83.30

NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 75ms | Queries: -

📄 Records

TypeCountSample Data