`mail.res.ac`

DNSSEC	⚠️ Not signed
A	172.104.74.220^{🇯🇵 AKAMAI-LINODE-AP172.104.64.0/19 Akamai Technologies}
		PTR	`172-104-74-220.ip.linodeusercontent.com`

`res.ac`

	DNSSEC	⚠️ Not signed
	A	172.104.74.220^{🇯🇵 AKAMAI-LINODE-AP172.104.64.0/19 Akamai Technologies}
	NS	`ns-207.awsdns-25.com` ⭐
	NS	`ns-1175.awsdns-18.org`
	NS	`ns-1977.awsdns-55.co.uk`
	NS	`ns-672.awsdns-20.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	MX	`mail.res.ac`⁽⁹⁰⁾
	MX	`res.ac`⁽⁹⁵⁾
	TXT	`google-site-verification=B4pWkZ0owXLjX4Vv-DujnW2u9B4bioXT_I7daqXsGMQ`
	TXT	`v=spf1 +a +mx +ip4:172.104.74.220 include:_spf.google.com ~all`
	SOA	`ns-207.awsdns-25.com`awsdns-hostmaster@amazon.com serial=1

MX for

res.ac

Same first word

mail.iki.fi

mail.gouv.ml

mail.limited

mail.man

mail.gen.tr

mail.zip

mail.dvrcam.info

mail.gov.gd

mail.brasilia.me

mail.hopto.me

mail.pn

mail.panel.dev

mail.gov.il

mail.ie

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mail.schaeffler

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mail.berlin

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mail.tl

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mail.(0x6c6f6c697461)punk.jp

mail.gov.ie

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mail.priv.pl

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mail.sdscloud.pl

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mail.gov.zw

mail.id

mail.tr

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mail.media

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mail.readymade.jp

mail.raindrop.jp

mail.tj

mail.repair

mail.mydissent.net

mail.spdns.org

mail.lk

mail.fish

mail.no-ip.net

mail.mn

mail.mydns.bz

mail.fem.jp

mail.health

mail.s3.amazonaws.com

mail.gov.ye

mail.com.kg

mail.nra

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mail.radio.fm

mail.od.ua

mail.ms

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mail.io.in

mail.lutsk.ua

mail.kz

mail.im

mail.kaas.gg

mail.it.com

mail.gov.mg

mail.ss

mail.co

mail.tc

mail.gda.pl

mail.world

mail.pe

mail.sunnyday.jp

mail.group

mail.gov

mail.org.za

mail.mx

mail.cy

mail.supply

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.ug

mail.ly

mail.gs

mail.bg

mail.wtf

mail.webhop.me

mail.associates

mail.al

mail.myfast.space

mail.vip

mail.red

mail.co.il

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liam.at

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mail.dp.ua

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mlai.in

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DNS History

1 record (1 active, 0 former)

●A172.104.74.2202026-07-14 → 2026-07-15 · 2 obs

● 2026-07-14 19:32:50
● 2026-07-15 07:53:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ac	c0.nic.ac, a2.nic.ac, b0.nic.ac, a0.nic.ac	8 records
res.ac	ns-672.awsdns-20.net, ns-207.awsdns-25.com, ns-1977.awsdns-55.co.uk, ns-1175.awsdns-18.org	-

✅ Authoritative Response

Server:205.251.194.160

NS records: ns-672.awsdns-20.net, ns-207.awsdns-25.com, ns-1977.awsdns-55.co.uk, ns-1175.awsdns-18.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for res.ac (unsigned zone)

⏱️ Timing

Total: 451ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.74.220`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (c0.nic.ac, c0.nic.ac, a2.nic.ac...)

Analysis

Mail Server Role

mail.res.ac is a mail server for res.ac.

res.ac, aspmx.l.google.com and alt1.aspmx.l.google.com are frequently seen as mail servers alongside mail.res.ac.

IP Addresses

mail.res.ac directs to one IP number, which is 172.104.74.220.

res.ac is an example of another host name that shares IP numbers with mail.res.ac.

mail.res.ac - robtex.com

mail.res.ac

res.ac