mailoptimizer.com - dns.ninja
mailoptimizer.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 4.245.24.235🇳🇱 Microsoft4.240.0.0/12 MICROSOFT | ||||||
| NS | ns.deutschepost.de ⭐ | ||||||
| A | 149.239.160.100🇩🇪 DPAG-AS149.239.128.0/17 POST-149-239-128-0-17 | ||||||
| NS | ns01.brandshelter.com | ||||||
| A | 2a04:2b00:14cc::15🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48 | ||||||
| PTR | ns15.i.centralnic-dns.com | ||||||
| A | 193.227.117.15🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24 | ||||||
| NS | ns02.brandshelter.net | ||||||
| A | 2a04:2b00:14dd::16🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48 | ||||||
| PTR | ns16.j.centralnic-dns.com | ||||||
| A | 194.50.187.16🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24 | ||||||
| NS | ppd00021.deutschepost.de | ||||||
| A | 149.239.160.240🇩🇪 DPAG-AS149.239.128.0/17 POST-149-239-128-0-17 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns.deutschepost.depostmaster@deutschepost.de 2025-06-05 #4 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785256967 | ||||||
Same first word
mailoptimizer.de |
mailoptimizer.com |
DNS History
11 records (5 active, 6 former)
●NSns.deutschepost.de2015-05-12 → 2026-07-28 · 2 obs
● 2026-07-28 17:04:58
●NSns01.brandshelter.com2026-07-19 → 2026-07-28 · 3 obs
● 2026-07-19 13:58:06
● 2026-07-28 17:04:58
●NSns02.brandshelter.net2026-07-19 → 2026-07-28 · 3 obs
● 2026-07-19 13:58:06
● 2026-07-28 17:04:58
○NSns1.deutschepost.de2016-12-04 → 2017-08-09 · 5 obs
● 2016-12-04 00:15:30
● 2017-08-09 01:06:26
○ 2026-07-19 13:58:06
○ 2026-07-28 17:04:58
○NSns1.markmonitor.com2015-05-12 → 2016-04-12 · 4 obs
● 2016-04-12 21:20:34
○ 2016-12-04 00:15:30
○ 2026-07-28 17:04:58
○NSns2.deutschepost.de2016-12-04 → 2017-08-09 · 5 obs
● 2016-12-04 00:15:30
● 2017-08-09 01:06:26
○ 2026-07-19 13:58:06
○ 2026-07-28 17:04:58
○NSns3.deutschepost.de2016-12-04 → 2017-08-09 · 5 obs
● 2016-12-04 00:15:30
● 2017-08-09 01:06:26
○ 2026-07-19 13:58:06
○ 2026-07-28 17:04:58
○NSns3.markmonitor.com2015-05-12 → 2016-04-12 · 4 obs
● 2016-04-12 21:20:34
○ 2016-12-04 00:15:30
○ 2026-07-28 17:04:58
○NSns5.markmonitor.com2015-05-12 → 2016-04-12 · 4 obs
● 2016-04-12 21:20:34
○ 2016-12-04 00:15:30
○ 2026-07-28 17:04:58
●NSppd00021.deutschepost.de2015-05-12 → 2026-07-28 · 2 obs
● 2026-07-28 17:04:58
●A4.245.24.2352026-07-19 → 2026-07-28 · 2 obs
● 2026-07-28 17:04:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mailoptimizer.com | ns.deutschepost.de, ppd00021.deutschepost.de, ns01.brandshelter.com, ns02.brandshelter.net | 2 records |
✅ Authoritative Response
Server:149.239.160.100
NS records: ns.deutschepost.de, ppd00021.deutschepost.de, ns01.brandshelter.com, ns02.brandshelter.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailoptimizer.com (unsigned zone)
⏱️ Timing
Total: 1710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 4.245.24.235 |
| NS | 4 | ns02.brandshelter.net, ns01.brandshelter.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns.deutschepost.de postmaster.deutschepo |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns01.brandshelter.com, ns01.brandshelter.com)
Analysis
IP Addresses
mailoptimizer.com points to a single IP number: 4.245.24.235.
Additional host names — www.epost.net, dp-printcom.eu, clever-post.org and two others — share IP numbers with mailoptimizer.com.
Name Servers
mailoptimizer.com has four authoritative name servers: ns01.brandshelter.com, ns.deutschepost.de, ppd00021.deutschepost.de and ns02.brandshelter.net.
mailoptimizer.com partially shares its NS delegation with several other domains, including postiminternet.at, deutschepost.shop, post-online.de and two others.
Host names with two IP numbers:
ns01.brandshelter.com resolves to two addresses: 193.227.117.15 and 2a04:2b00:14cc::15.
ns02.brandshelter.net resolves to two addresses: 194.50.187.16 and 2a04:2b00:14dd::16.
Host names pointing to a single IP address:
The hostname ns.deutschepost.de resolves to 149.239.160.100.
The hostname ppd00021.deutschepost.de resolves to 149.239.160.240.