`mail.svctop.com`

DNSSEC	⚠️ Not signed
A	203.236.35.220^{🇰🇷 SKTELECOM-NET-AS203.236.32.0/21 KORnet operation Center}
		PTR	`mail.networkons.com`
		PTR	`mail.svcace.com`
		PTR	`mail.svctop.com`
A	203.236.35.221^{🇰🇷 SKTELECOM-NET-AS203.236.32.0/21 KORnet operation Center}

`svctop.com`

	DNSSEC	⚠️ Not signed
	A	1.234.62.159^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
	NS	`gate3.sktelecom.com` ⭐
	NS	`gate.sktelecom.com` ⚠️ Not in parent delegation
	NS	`gate2.sktelecom.com` ⚠️ Not in parent delegation
	NS	`gate4.sktelecom.com` ⚠️ Not in parent delegation
	MX	`cluster1.us.messagelabs.com` ⭐
	MX	`cluster1a.us.messagelabs.com`⁽²⁰⁾
	TXT	`v=spf1 ip4:203.236.35.240 ip4:203.236.35.241 ip4:203.236.35.220 ip4:203.236.3...`
	SOA	`gate2.sktelecom.com`hongsd72@empal.com 2014-12-10 #48

PTR for

221.35.236.203.in-addr.arpa

220.35.236.203.in-addr.arpa

Previously MX for

svctop.com

Same first word

mail.fr

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mail.k12.vt.us

mail.photos

mail.omg.lol

mail.ooo

mail.cloudaccess.net

mail.girly.jp

mail.ec

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mail.kim

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mail.edu.tt

mail.si

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mail.ca

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mail.town

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mail.com.br

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mail.sb

mail.ht

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mail.collegefan.org

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ialm.net

mila.by

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aiml.cc

mila.gallery

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mail.edu.me

iaml.pl

ilam.org.nz

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mail.pictures

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mail.net

DNS History

3 records (2 active, 1 former)

●A203.236.35.2202026-03-11 → 2026-04-14 · 3 obs

○ 2015-11-18 18:08:36
● 2026-03-11 09:30:16
● 2026-04-14 04:07:32

●A203.236.35.2212015-11-18 → 2026-04-14 · 3 obs

○ 2015-07-05 12:00:16
● 2015-11-18 18:08:36
● 2026-04-14 04:07:32

○A203.236.35.2402015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 12:00:16
○ 2015-11-18 18:08:36
○ 2026-04-14 04:07:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
svctop.com	gate2.sktelecom.com	1 record

✅ Authoritative Response

Server:203.236.20.11

NS records: gate2.sktelecom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for svctop.com (unsigned zone)

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`203.236.35.220, 203.236.35.221`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (gate2.sktelecom.com)

Analysis

IP Addresses

The entity mail.svctop.com points to two IP numbers: 203.236.35.220 and 203.236.35.221.

Other host names, for instance, mail.svcace.com share IP numbers with mail.svctop.com.

mail.svctop.com - robtex.com

mail.svctop.com

svctop.com