server.crtholding.com - robtex.com

server.crtholding.com

DNSSEC⚠️ Not signed
A88.255.107.73🇹🇷 TTNet88.255.64.0/18
PTRserver.crtholding.com
TXTv=spf1 +mx +a +ip4:88.255.107.73 ~all

crtholding.com

DNSSEC⚠️ Not signed
A88.255.107.73🇹🇷 TTNet88.255.64.0/18
NSns1.crtholding.com ⭐
NSns2.crtholding.com
MXcrtholding.com ⭐
TXTv=spf1 +a +mx +ip4:88.255.107.73 ~all
SOAns1.crtholding.comroot@server.crtholding.com 2026-03-16 #2

PTR for

73.107.255.88.in-addr.arpa

MX for

server.crtholding.com

Same first word

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DNS History

5 records (1 active, 4 former)

NSns1.crtholding.comns2.crtholding.comMXserver.crtholding.comA88.255.107.73212.175.17.167
○NSns1.crtholding.com2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:41:46
○ 2026-03-26 04:51:26
○NSns2.crtholding.com2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:41:46
○ 2026-03-26 04:51:26
○MXserver.crtholding.com2026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:41:46
○ 2026-03-26 04:51:26
○A212.175.17.1672026-02-23 → 2026-02-23 · 2 obs
● 2026-02-23 20:41:46
○ 2026-03-26 04:51:26
●A88.255.107.732026-03-26 → 2026-03-26 · 2 obs
○ 2026-02-23 20:41:46
● 2026-03-26 04:51:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net...-
crtholding.comns1.crtholding.com, ns2.crtholding.com2 records

✅ Authoritative Response

Server:88.255.107.75

NS records: ns1.crtholding.com, ns2.crtholding.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crtholding.com (unsigned zone)

⏱️ Timing

Total: 338ms | Queries: -

📄 Records

TypeCountSample Data
A188.255.107.73
TXT1v=spf1 +mx +a +ip4:88.255.107.73 ~all

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.crtholding.com, ns2.crtholding.com)

Analysis

Mail Server Role

server.crtholding.com serves as a mail server for server.crtholding.com.

IP Addresses

server.crtholding.com points to a single IP: 88.255.107.73.

Other host names such as crtmetal.com and zabunbilisim.com share IP numbers with server.crtholding.com.