`mail.ryrcourse.com`

DNSSEC

⚠️ Not signed

`ryrcourse.com`

	DNSSEC	⚠️ Not signed
	A	52.33.129.97^{🇺🇸 Amazon52.32.0.0/14 EC2 PDX prefix}
	NS	`ns39.domaincontrol.com` ⭐
	NS	`ns40.domaincontrol.com`
	TXT	`google-site-verification=H9cEIuoypF1DhwiLfUEuSa35dWvVIozdgTPLikc9BSM`
	SOA	`ns39.domaincontrol.com`dns@jomax.net 2019-04-19 #1

Previously MX for

ryrcourse.com

Same first word

mail.sh

mail.nom.za

mail.com.br

mail.com.ph

mail.co.ua

mail.bike

mail.gr

mail.srv.br

mail.dyn-vpn.de

mail.serveminecraft.net

mail.gov.cn

mail.staba.jp

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mail.in.th

mail.tech

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mail.guru

mail.bing

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mail.host

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mail.pm

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mail.com.pe

mail.marketing

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mail.fage

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mail.abbott

mail.weir

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mail.et

mail.za.net

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mail.ht

mail.ax

mail.spdns.eu

mail.collegefan.org

mail.com.cn

mail.cab

mail.vn.ua

mail.lat

mail.mg.gov.br

mail.kiev.ua

mail.mydns.tw

mail.report

mail.fail

mail.gov.ee

mail.blogspot.com

mail.gob.bo

mail.dnsfor.me

mail.dix.asia

mail.sg

mail.eu.com

mail.camp

mail.nic.za

mail.pink

mail.vg

mail.guide

mail.chips.jp

mail.info

mail.simplesite.com

mail.gw

mail.tv

mail.jellybean.jp

mail.eg

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mail.gouv.sn

mail.gov.la

mail.sub.jp

mail.co.ro

mail.com.sg

mail.kikirara.jp

mail.mydns.jp

mail.hr

mail.gov.tn

mail.pb.gov.br

mail.oops.jp

mail.eu

mail.(0x7075737379)cat.jp

mail.tm

mail.boo.jp

mail.co.za

mail.zp.ua

mail.ac.me

mail.info.at

mail.nis.za

mail.gov.ua

mail.net.ua

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DNS History

1 record (0 active, 1 former)

○A74.220.202.342015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 10:15:54
○ 2015-12-09 16:00:18
○ 2026-03-28 06:49:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
ryrcourse.com	ns39.domaincontrol.com, ns40.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.77.20

NS records: ns39.domaincontrol.com, ns40.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryrcourse.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)

mail.ryrcourse.com - robtex.com