`mail2.officetutor.com`

DNSSEC	⚠️ Not signed
A	211.234.110.148^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
		PTR	`mail2.officetutor.com`

`officetutor.com`

	DNSSEC	⚠️ Not signed
	A	211.234.110.140^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
	NS	`ns20.hanbiro.com` ⭐
	NS	`ns21.hanbiro.com`
	MX	`mail.officetutor.com` ⭐
	TXT	`v=spf1 a:mail.officetutor.com ip4:211.234.110.140 ip4:211.234.110.148 ip4:211...`
	SOA	`ns20.hanbiro.com`webmaster@hanbiro.com 2026-01-05 #7

WOT: SAFE (63/100)
WOT: SAFE (69/100)

PTR for

148.110.234.211.in-addr.arpa

Same first word

mail2.com

mail2.dyndns.org

mail2.la

mail2.cloudaccess.net

mail2.email

mail2.asia

mail2.ru

mail2.do

mail2.net

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mail2.dev

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mail2.cz

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mail2.hu

mail2.ph

mail2.ca

mail2.de

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mail2.it

Similar names

2mail.com

2mail.net

2mail.com.ua

2mail.eu

2mail.pro

2mail.at

2mail.nl

2mail.im

ml2ai.com

2mail.co

2mail.de

2mila.it

2mail.fr

2mail.online

2mail.ca

2mail.co.za

2mail.ch

a2mil.com

2mail.ro

2mail.org

2mail.dk

2mail.serveftp.com

mi2la.de

lima2.com

alim2.com

2mail.io

2mail.ru

2mail.space

DNS History

1 record (1 active, 0 former)

●A211.234.110.1482018-04-02 → 2026-04-23 · 2 obs

● 2018-04-02 14:35:18
● 2026-04-23 23:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
officetutor.com	ns20.hanbiro.com, ns21.hanbiro.com	2 records

✅ Authoritative Response

Server:211.234.116.210

NS records: ns20.hanbiro.com, ns21.hanbiro.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for officetutor.com (unsigned zone)

⏱️ Timing

Total: 632ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.234.110.148`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns20.hanbiro.com, ns21.hanbiro.com)

Analysis

IP Addresses

mail2.officetutor.com maps to IP address 211.234.110.148.

Other host names, for instance mail.jmpgallery.net, mail.dkiwa.co.kr, mail.jbjb.co.kr, mail.souyoung.com and souyoung.com share IP numbers with mail2.officetutor.com.

mail2.officetutor.com - robtex.com