mail.backdev.es - robtex.com

mail.backdev.es

CNAMEbackdev.es
DNSSEC⚠️ Not signed
A2a01:239:476:3a00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRbackdev.es
A87.106.38.150🇩🇪 IONOS-AS87.106.38.0/23 IONOS SE ber.de
NSns3.stratoserver.net ⭐
A2607:f1c0:fe:53:185:132:34:159🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns3.stratoserver.net
A185.132.34.159🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns3.stratoserver.net
NSns4.stratoserver.net
A2001:8d8:fe:53:5747:2a74:d:32🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns4.stratoserver.net
A217.160.80.159🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns4.stratoserver.net
MXmail.backdev.es ⭐
MXsmtpin.rzone.de(20)
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
MXrelay.rzone.de(100)
A81.169.145.96🇩🇪 STRATO81.169.144.0/22 AG
PTRrelay.rzone.de
TXTv=spf1 mx ~all
SOAns3.stratoserver.nethostmaster@strato-rz.de 2026-03-12 #79

backdev.es

DNSSEC⚠️ Not signed
A2a01:239:476:3a00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
A87.106.38.150🇩🇪 IONOS-AS87.106.38.0/23 IONOS SE ber.de
NSns3.stratoserver.net ⭐
NSns4.stratoserver.net
MXmail.backdev.es ⭐
MXsmtpin.rzone.de(20)
MXrelay.rzone.de(100)
TXTv=spf1 mx ~all
SOAns3.stratoserver.nethostmaster@strato-rz.de 2026-03-12 #79

MX for

backdev.es

Same first word

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DNS History

1 record (1 active, 0 former)

CNAMEbackdev.es
●CNAMEbackdev.es2026-04-18 → 2026-05-10 · 2 obs
● 2026-04-18 03:19:36
● 2026-05-10 01:45:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
esa.nic.es, g.nic.es, c.nic.es, h.nic.es8 records
backdev.esns4.stratoserver.net, ns3.stratoserver.net-

✅ Authoritative Response

Server:217.160.80.159

NS records: ns4.stratoserver.net, ns3.stratoserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backdev.es (unsigned zone)

⏱️ Timing

Total: 811ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1backdev.es

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.es, a.nic.es, g.nic.es...)

Analysis

Mail Server Role

mail.backdev.es handles mail for backdev.es.

relay.rzone.de and smtpin.rzone.de are commonly used as mail servers along with mail.backdev.es.

IP Addresses

mail.backdev.es points to two IP numbers: 2a01:239:476:3a00::1 and 87.106.38.150.

Other host names such as mail0.emmanicholson.info, ip87-106-38-150.pbiaas.com, backdev.es, www.doehler-systems.de and joachim-doehler.de share IPs with mail.backdev.es.

Name Servers

Two name servers ns3.stratoserver.net and ns4.stratoserver.net handle the delegation for mail.backdev.es.

mail.backdev.es shares the same name server setup as other domains, for example creativ-online.de, erlenmuehle.de, laserpoint-salem.de, blaulichtbar.de and prowebsolutions.nl.

Host names with two IP numbers:

ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159.

ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159.

Mail Servers

mail.backdev.es is handled by three mail servers: relay.rzone.de, smtpin.rzone.de and mail.backdev.es.

mail.backdev.es shares at least partially some mail servers with other domains, for instance transalp-2005.de, stolpersteine.com, hotel-belvedere.de, hello-dave.com and loml.de.

Host names with two IP numbers:

smtpin.rzone.de points to 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

Host names with one IP number:

relay.rzone.de points to 81.169.145.96.