🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.coding101.dev`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::14^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s005.cyon.net`
A	149.126.4.14^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}

`coding101.dev`

	DNSSEC	🔒 Signed (DS record present)
	A	167.235.151.84^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}
	NS	`ns1.cyon.ch` ⭐
	NS	`ns2.cyon.ch`
	MX	`mail.coding101.dev` ⭐
	TXT	`google-site-verification=RlLRIBcbhFIxLTofDEJN3z3UypE6CHOMWrHYs8h1oHA`
	TXT	`v=spf1 include:spf.protection.cyon.net -all`
	SOA	`ns1.cyon.ch`server@cyon.ch 2023-08-28 #1

MX for

coding101.dev

Same first word

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Previous names

Next names

DNS History

2 records (2 active, 0 former)

●A149.126.4.142026-09-02 → 2026-09-03 · 2 obs

● 2026-09-02 01:57:16
● 2026-09-03 16:21:22

●A2a01:ab20:0:4::142026-09-02 → 2026-09-03 · 2 obs

● 2026-09-02 01:57:16
● 2026-09-03 16:21:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
coding101.dev	ns2.cyon.ch, ns1.cyon.ch	-

✅ Authoritative Response

Server:185.174.216.2

NS records: ns2.cyon.ch, ns1.cyon.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.14`
AAAA	1	`2a01:ab20:0:4::14`

Analysis

Mail Server Role

mail.coding101.dev serves as a mail server for coding101.dev.

IP Addresses

mail.coding101.dev directs to two IP numbers, 149.126.4.14 and 2a01:ab20:0:4::14

Additional host names — lokomotiveletten.ch, teamgyro.net, mail.bikepages.ch and two others — share IP numbers with mail.coding101.dev.

mail.coding101.dev - robtex.com