`ns.sendingmaster.com`

	DNSSEC	⚠️ Not signed
	A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}

`sendingmaster.com`

	DNSSEC	⚠️ Not signed
	A	112.175.85.149^{🇰🇷 KT-NET112.168.0.0/13}
	NS	`sendingmaster.com` ⭐
	NS	`ns.infodu.co.kr` ⚠️ Not in zone NS records
	NS	`ns.sendingmaster.com` ⚠️ Not in parent delegation
	NS	`ns1.infodu.co.kr` ⚠️ Not in zone NS records
	NS	`ns1.sendingmaster.com` ⚠️ Not in parent delegation
	NS	`ns2.infodu.co.kr` ⚠️ Not in zone NS records
	NS	`ns2.sendingmaster.com` ⚠️ Not in parent delegation
	NS	`ns3.infodu.co.kr` ⚠️ Not in zone NS records
	NS	`ns3.sendingmaster.com` ⚠️ Not in parent delegation
	MX	`rmw-002.fmcity.com` ⭐
	TXT	`v=spf1 ip4:112.175.85.149 ~all`
	SOA	`sendingmaster.com`postmaster@sendingmaster.com serial=20131126

NS for

sendingmaster.com

Same first word

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ns.ly

ns.gov

ns.ee

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ns.lviv.ua

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ns.spb.ru

ns.mydobiss.com

ns.net

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ns.ddns.net

ns.ax

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ns.gg

ns.altervista.org

ns.nl

ns.wiki

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ns.k12.ut.us

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ns.ha.cn

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ns.gl

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sn.ac.th

sn.ro

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sn

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sn.fyi

DNS History

1 record (1 active, 0 former)

●A218.145.65.1432015-06-01 → 2026-08-01 · 2 obs

● 2015-06-01 18:38:50
● 2026-08-01 13:04:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sendingmaster.com	ns.infodu.co.kr, ns1.infodu.co.kr, ns2.infodu.co.kr, ns3.infodu.co.kr	-

✅ Authoritative Response

Server:218.145.65.143

NS records: ns.infodu.co.kr, ns1.infodu.co.kr, ns2.infodu.co.kr, ns3.infodu.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendingmaster.com (unsigned zone)

⏱️ Timing

Total: 1061ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.145.65.143`

Analysis

Name Server Role

ns.sendingmaster.com serves as a name server for sendingmaster.com.

sendingmaster.com, ns1.sendingmaster.com and ns2.sendingmaster.com are often grouped with ns.sendingmaster.com to function as name servers.

IP Addresses

ns.sendingmaster.com resolves to just one IP address, 218.145.65.143.

Two other host names, along with ns.agrobiz.co.kr, ns.mungyeonglove.kr and ns.systemelle.co.kr, also share IP numbers with ns.sendingmaster.com.

ns.sendingmaster.com - robtex.com