mails.undo.be - dns.ninja
mails.undo.be
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.246.29.252🇫🇷 SENDINBLUE-ASN172.246.0.0/18 | ||||||
| PTR | mails.undo.be | ||||||
| NS | ns1.sendinblue.com ⭐ | ||||||
| A | 162.159.24.194Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.sendinblue.com | ||||||
| A | 162.159.25.159Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mails.undo.be ⭐ | ||||||
| A | 172.246.29.252🇫🇷 SENDINBLUE-ASN172.246.0.0/18 | ||||||
| PTR | mails.undo.be | ||||||
| TXT | v=spf1 include:spf.brevo.com mx ~all | ||||||
| SOA | ns1.sendinblue.comhostmaster@brevo.com 2024-05-20 #1 | ||||||
undo.be
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.94.106.109🇫🇷 OVH141.94.0.0/16 | ||||||
| NS | ns3.combell.net ⭐ | ||||||
| NS | ns1.combell.eu | ||||||
| NS | ns4.combell.net | ||||||
| MX | mx2.mailprotect.be ⭐ | ||||||
| MX | mx.mailprotect.be(20) | ||||||
| MX | mx.backup.mailprotect.be(50) | ||||||
| TXT | brevo-code:b26f4d5a9293ce579f7ae69dc7177b42 | ||||||
| TXT | v=spf1 +mx +a ip4:172.246.29.252 include:_spf.relay.mailprotect.be include:sp... | ||||||
| TXT | google-site-verification=zvR4Eq2Z_KkZsfMFd9ILkhnmqL9HzBiaY2NhSFJeSvc | ||||||
| TXT | sendinblue-code:b26f4d5a9293ce579f7ae69dc7177b42 | ||||||
| SOA | ns3.combell.nethostmaster@undo.be serial=1779438377 | ||||||
PTR for
MX for
mails.undo.be |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.sendinblue.com2026-02-21 → 2026-06-28 · 2 obs
● 2026-06-28 09:32:50
●NSns2.sendinblue.com2026-02-21 → 2026-06-28 · 2 obs
● 2026-06-28 09:32:50
●MXmails.undo.be2026-02-21 → 2026-06-28 · 2 obs
● 2026-06-28 09:32:50
●A172.246.29.2522026-02-21 → 2026-06-28 · 2 obs
● 2026-06-28 09:32:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| be | d.nsset.be, b.nsset.be, z.nsset.be, a.nsset.be... | 12 records |
| undo.be | ns1.combell.eu, ns3.combell.net, ns4.combell.net | - |
| mails.undo.be | ns1.sendinblue.com, ns2.sendinblue.com | - |
✅ Authoritative Response
Server:162.159.25.159
NS records: ns1.sendinblue.com, ns2.sendinblue.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for undo.be (unsigned zone)
⏱️ Timing
Total: 1091ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.246.29.252 |
| NS | 2 | ns2.sendinblue.com, ns1.sendinblue.com |
| MX | 1 | mails.undo.be (pri: 10) |
| TXT | 1 | v=spf1 include:spf.brevo.com mx ~all |
| SOA | 1 | ns1.sendinblue.com hostmaster.brevo.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nsset.be, b.nsset.be, c.nsset.be...)
Analysis
Mail Server Role
mails.undo.be handles its own mail, functioning as its own mail server.
IP Addresses
mails.undo.be resolves to just one IP address, 172.246.29.252.
Name Servers
DNS delegation for mails.undo.be points to two name servers: ns1.sendinblue.com and ns2.sendinblue.com.
mails.undo.be shares its NS records with other domains, for example 192.146.212.in-addr.arpa, exposant.lyon.leo.fr, itgamesclub.co.uk and two others.
There is at least partial name server overlap between mails.undo.be and other domains — yess-fitness.com, blitt.com.pt, hplus.cl and two more among them.
These name servers are routinely deployed together with the name servers ns2.mailinblue.com.
ns1.sendinblue.com → 162.159.24.194 and ns2.sendinblue.com → 162.159.25.159: one IP number per host name.
Mail Servers
mails.undo.be is served by just one mail server: mails.undo.be.
mails.undo.be has exactly one IP number: 172.246.29.252.