mail.stdcore.com - dns.ninja

mail.stdcore.com

DNSSEC⚠️ Not signed
A2a01:a940:419:8f::1000🇪🇸 Tecnocratica2a01:a940::/32 Centro de Datos, S.L.
A2a01:a940:419:99::1000🇪🇸 Tecnocratica2a01:a940::/32 Centro de Datos, S.L.
A31.47.72.143🇪🇸 Tecnocratica31.47.72.0/21 Centro de Datos IPv4 network
A31.47.72.153🇪🇸 Tecnocratica31.47.72.0/21 Centro de Datos IPv4 network
NSexpired1.virtualns.net ⚠️ Not in parent delegation
A2a01:a940:419:8f::1000🇪🇸 Tecnocratica2a01:a940::/32 Centro de Datos, S.L.
A31.47.72.143🇪🇸 Tecnocratica31.47.72.0/21 Centro de Datos IPv4 network
PTRcaducados.virtualns.net
NSexpired2.virtualns.net ⚠️ Not in parent delegation
A2a01:a940:419:99::1000🇪🇸 Tecnocratica2a01:a940::/32 Centro de Datos, S.L.
A31.47.72.153🇪🇸 Tecnocratica31.47.72.0/21 Centro de Datos IPv4 network
PTRcaducados.virtualns.net
TXTv=spf1 -all
TXTv=DKIM1; p=
TXTv=DMARC1;p=reject;sp=reject;adkim=s;aspf=s

stdcore.com

DNSSEC⚠️ Not signed
A2a01:a940:419:8f::1000🇪🇸 Tecnocratica2a01:a940::/32 Centro de Datos, S.L.
A2a01:a940:419:99::1000🇪🇸 Tecnocratica2a01:a940::/32 Centro de Datos, S.L.
A31.47.72.143🇪🇸 Tecnocratica31.47.72.0/21 Centro de Datos IPv4 network
A31.47.72.153🇪🇸 Tecnocratica31.47.72.0/21 Centro de Datos IPv4 network
NSexpired1.virtualns.net
NSexpired2.virtualns.net
TXTv=DKIM1; p=
TXTv=DMARC1;p=reject;sp=reject;adkim=s;aspf=s
TXTv=spf1 -all

Previously MX for

stdcore.com

Same first word

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DNS History

8 records (6 active, 2 former)

2020202120222023202420252026NSexpired1.virtualns.netexpired2.virtualns.netA2a01:a940:419:8f::10002a01:a940:419:99::100031.47.72.14331.47.72.1535.196.82.21051.38.221.181
●NSexpired1.virtualns.net2026-07-10 → 2026-07-10 · 2 obs
● 2026-07-10 04:20:30
● 2026-07-10 05:35:38
●NSexpired2.virtualns.net2026-07-10 → 2026-07-10 · 2 obs
● 2026-07-10 04:20:30
● 2026-07-10 05:35:38
●A2a01:a940:419:8f::10002026-07-10 → 2026-07-10 · 3 obs
○ 2026-02-25 11:32:54
● 2026-07-10 04:20:30
● 2026-07-10 05:35:38
●A2a01:a940:419:99::10002026-07-10 → 2026-07-10 · 3 obs
○ 2026-02-25 11:32:54
● 2026-07-10 04:20:30
● 2026-07-10 05:35:38
●A31.47.72.1432026-07-10 → 2026-07-10 · 3 obs
○ 2026-02-25 11:32:54
● 2026-07-10 04:20:30
● 2026-07-10 05:35:38
●A31.47.72.1532026-07-10 → 2026-07-10 · 3 obs
○ 2026-02-25 11:32:54
● 2026-07-10 04:20:30
● 2026-07-10 05:35:38
○A5.196.82.2102019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 06:24:10
○ 2026-02-25 11:32:54
○ 2026-07-10 05:35:38
○A51.38.221.1812026-02-25 → 2026-02-25 · 4 obs
○ 2019-12-19 06:24:10
● 2026-02-25 11:32:54
○ 2026-07-10 04:20:30
○ 2026-07-10 05:35:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
stdcore.comexpired1.virtualns.net, expired2.virtualns.net-

✅ Authoritative Response

Server:31.47.72.153

NS records: expired1.virtualns.net, expired2.virtualns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stdcore.com (unsigned zone)

⏱️ Timing

Total: 717ms | Queries: -

📄 Records

TypeCountSample Data
A231.47.72.143, 31.47.72.153
AAAA22a01:a940:419:99::1000, 2a01:a940:419:8f::1000
NS2expired2.virtualns.net, expired1.virtualns.net
MX1. (pri: 0)
TXT3v=DKIM1; p=, v=DMARC1;p=reject;sp=reject;adkim=s;aspf...

Analysis

IP Addresses

mail.stdcore.com points to the four IP addresses 31.47.72.143, 31.47.72.153, 2a01:a940:419:8f::1000 and 2a01:a940:419:99::1000.

Among the host names that share IP numbers with mail.stdcore.com are mail.bubango.com, mail.nizetech.com, wikipeces.net and two others.

Name Servers

mail.stdcore.com is delegated to two name servers: expired1.virtualns.net and expired2.virtualns.net.

mail.stdcore.com has the same name server delegation as a number of other domains, such as aavvmilla.com, mail.airnavigationcenter.org, aleolacr.com and two more.

mail.stdcore.com shares at least some of its name servers with other domains, such as fonsamotor.com.

expired1.virtualns.net and expired2.virtualns.net each resolve to two IP addresses: expired1.virtualns.net points to 31.47.72.143 and 2a01:a940:419:8f::1000, while expired2.virtualns.net points to 31.47.72.153 and 2a01:a940:419:99::1000.