mailboxdeliverycore.info - robtex.com
mailboxdeliverycore.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.25.211.21🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| PTR | smtp.emaildeliverflow.info | ||||||
| NS | ns1.md-4921.webhostingboxes.com ⭐ | ||||||
| A | 20.25.211.21🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| PTR | smtp.emaildeliverflow.info | ||||||
| NS | ns2.md-4921.webhostingboxes.com | ||||||
| A | 20.25.211.21🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| PTR | smtp.emaildeliverflow.info | ||||||
| MX | mail.mailboxdeliverycore.info ⭐ | ||||||
| A | 20.25.211.21🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| PTR | smtp.emaildeliverflow.info | ||||||
| TXT | v=spf1 +ip4:20.25.211.21 -all | ||||||
| SOA | ns1.md-4921.webhostingboxes.comroot@mailboxdeliverycore.info 2026-03-03 #6 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1774477679 | ||||||
Subdomains
www.mailboxdeliverycore.info |
Same first word
mailboxdeliverycore.info |
DNS History
4 records (4 active, 0 former)
●NSns1.md-4921.webhostingboxes.com2026-03-08 → 2026-03-25 · 2 obs
● 2026-03-25 22:41:48
●NSns2.md-4921.webhostingboxes.com2026-03-08 → 2026-03-25 · 2 obs
● 2026-03-25 22:41:48
●MXmail.mailboxdeliverycore.info2026-03-08 → 2026-03-25 · 2 obs
● 2026-03-25 22:41:48
●A20.25.211.212026-03-08 → 2026-03-25 · 2 obs
● 2026-03-25 22:41:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a2.info.afilias-nst.info, c0.info.afilias-nst.info, a0.info.afilias-nst.info | - |
| mailboxdeliverycore.info | ns1.md-4921.webhostingboxes.com, ns2.md-4921.webhostingboxes.com | - |
✅ Authoritative Response
Server:20.25.211.21
NS records: ns1.md-4921.webhostingboxes.com, ns2.md-4921.webhostingboxes.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailboxdeliverycore.info (unsigned zone)
⏱️ Timing
Total: 395ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.25.211.21 |
| NS | 2 | ns2.md-4921.webhostingboxes.com, ns1.md-4921.webhostingboxes.com |
| MX | 1 | mail.mailboxdeliverycore.info (pri: 0) |
| TXT | 1 | v=spf1 +ip4:20.25.211.21 -all |
| SOA | 1 | ns1.md-4921.webhostingboxes.com root.mai |
Analysis
Hierarchy
www.mailboxdeliverycore.info has mailboxdeliverycore.info as its parent.
IP Addresses
mailboxdeliverycore.info maps to IP address 20.25.211.21.
Other host names, for instance mailboxdeliverynet.info, emaildeliverway.info, mailboxdeliver.info, maildeliverway.info and emaildeliverpro.info share IP numbers with mailboxdeliverycore.info.
Name Servers
Two name servers ns1.md-4921.webhostingboxes.com and ns2.md-4921.webhostingboxes.com are delegated to mailboxdeliverycore.info.
mailboxdeliverycore.info uses the same name server configuration as other domains, such as emaildeliverpro.info, maildeliverpath.info, maildeliverdesk.info, emaildelivernet.info and mailboxdeliveryhub.info.
Hostnames with one IP number:
ns1.md-4921.webhostingboxes.com points to 20.25.211.21
ns2.md-4921.webhostingboxes.com points to 20.25.211.21
Hostnames pointing to 20.25.211.21: ns1.md-4921.webhostingboxes.com, ns2.md-4921.webhostingboxes.com
Mail Servers
mailboxdeliverycore.info is handled by a single mail server, mail.mailboxdeliverycore.info.
mail.mailboxdeliverycore.info points to one IP number: 20.25.211.21.