`mx31.isd-internet.de`

DNSSEC	⚠️ Not signed
A	217.18.191.31^{🇩🇪 DSINET-ASN217.18.176.0/20 DE-DSI}
		PTR	`mx31.isd-internet.de`

`isd-internet.de`

	DNSSEC	⚠️ Not signed
	A	217.18.191.122^{🇩🇪 DSINET-ASN217.18.176.0/20 DE-DSI}
	NS	`ns0.isd-internet.de` ⭐
	NS	`ns20.isd-internet.de`
	MX	`mail.elb-florenz.de` ⭐
	TXT	`MS=A1C66C13E0843EA70DF3F8C07BF43A8BC073A2A3`
	TXT	`v=spf1 mx a ip4:217.18.190.0/24 ip4:217.18.191.0/24 ip4:24.134.12.221 ip4:217...`
	SOA	`ns0.isd-internet.de`domain@isd-internet.de 2026-04-27 #1

📈 Tranco rank: #299,666

PTR for

31.191.18.217.in-addr.arpa

MX for

Previously MX for

riedel-net.de

mobile-jump.eu

Same first word

mx31.net

Similar names

xm31.com

m13x.com

m3x1.cn

mx13.com

1m3x.icu

mx13.eu

13xm.com

13xm.cn

31xm.com

DNS History

1 record (1 active, 0 former)

●A217.18.191.312017-04-06 → 2026-05-14 · 2 obs

● 2017-04-06 00:24:24
● 2026-05-14 10:40:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
isd-internet.de	ns0.isd-internet.de, ns20.isd-internet.de	2 records

✅ Authoritative Response

Server:24.134.12.221

NS records: ns0.isd-internet.de, ns20.isd-internet.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isd-internet.de (unsigned zone)

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.18.191.31`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns20.isd-internet.de, ns0.isd-internet.de)

Analysis

Mail Server Role

mx31.isd-internet.de serves as a mail server for johannandreasschubert.com, ziegelmann.com, chinesische-medizin-dresden.info, chinesische-medizin-dresden.de, leeya-tea.com and several other domains.

IP Addresses

mx31.isd-internet.de resolves to a single IP address: 217.18.191.31.

Other host names, for instance securemail.isd-internet.de, share IP numbers with mx31.isd-internet.de.

mx31.isd-internet.de - robtex.com