🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mx.felix.iserv.dev`

	DNSSEC	⚠️ Not signed
	A	2003:a:838:8f17::2^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}

`felix.iserv.dev`

	DNSSEC	⚠️ Not signed
	A	2003:a:838:8f17::2^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
	NS	`ns1.iserv.eu` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.jacobi-bs.de` ⚠️ Not in parent delegation
	NS	`ns2.iserv.eu` ⚠️ Not in parent delegation
	NS	`ns2.jacobi-bs.de` ⚠️ Not in parent delegation
	NS	`ns3.iserv.eu` ⚠️ Not in parent delegation
	NS	`ns4.iserv.eu` ⚠️ Not in parent delegation
	MX	`mx.felix.iserv.dev` ⭐
	MX	`offline.iserv.eu`⁽⁵⁰⁾
	TXT	`v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.i...`
	SOA	`ns1.iserv.eu`hostmaster@iserv.eu serial=371873288

MX for

felix.iserv.dev

Same first word

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mx.fm

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mx.gs

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mx.s3-website-us-west-2.amazonaws.com

mx.baby

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DNS History

1 record (1 active, 0 former)

●A2003:a:838:8f17::22026-09-11 → 2026-10-17 · 2 obs

● 2026-09-11 14:04:22
● 2026-10-17 02:33:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
iserv.dev	ns4.iserv.eu, ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu	-

✅ Authoritative Response

Server:91.204.44.133

NS records: ns4.iserv.eu, ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iserv.dev (unsigned zone)

⏱️ Timing

Total: 2576ms | Queries: -

📄 Records

Type	Count	Sample Data
AAAA	1	`2003:a:838:8f17::2`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

Mail Server Role

felix.iserv.dev uses mx.felix.iserv.dev as a mail server.

offline.iserv.eu frequently appears as a mail server alongside mx.felix.iserv.dev.

IP Addresses

mx.felix.iserv.dev resolves to one IP address: 2003:a:838:8f17::2.

mx.felix.iserv.dev - robtex.com