mailb.org - robtex.com
mailb.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:173:14c3:1::161🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mailb.org | ||||||
| A | 138.201.70.161🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| NS | ns1.mailb.org ⭐ | ||||||
| A | 2a01:4f8:173:14c3:1::160🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | r-w-x.org | ||||||
| A | 138.201.70.160🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | r-w-x.org | ||||||
| NS | ns2.mailb.org | ||||||
| A | 2a01:4f8:a0:6465:3::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | head.open-video.com | ||||||
| A | 85.10.193.37🇩🇪 Hetzner85.10.192.0/18 HETZNER-RZ-NBG-BLK3 | ||||||
| PTR | head.open-video.com | ||||||
| MX | mx.mailb.org ⭐ | ||||||
| A | 2a01:4f8:173:14c3:1::161🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mailb.org | ||||||
| A | 138.201.70.161🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | mailb.org | ||||||
| TXT | v=spf1 a mx ip4:138.201.70.161/32 ?all | ||||||
| TXT | google-site-verification=StXq4PhRp66DkrU5BPMb7HtdrqiCfkHJnhsKd_jyHQk | ||||||
| TXT | yahoo-verification-key=uEjIB9hpZilREi0FCrYqZLHzV3smLAWUsbrNX1kDq7M= | ||||||
| SOA | ns1.mailb.orgroot@mailb.org serial=2015093437 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
PTR for
Subdomains
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSns1.mailb.org2008-12-13 → 2026-03-14 · 2 obs
● 2026-03-14 10:07:06
●NSns2.mailb.org2016-03-20 → 2026-03-14 · 3 obs
● 2016-03-20 02:13:04
● 2026-03-14 10:07:06
○NSns6.gandi.net2008-12-13 → 2016-03-20 · 4 obs
● 2016-03-20 02:13:04
○ 2016-06-19 13:33:48
○ 2026-03-14 10:07:06
○MXmail.mailb.org2008-12-13 → 2008-12-13 · 3 obs
○ 2015-08-20 23:05:54
○ 2026-03-14 10:07:06
●MXmx.mailb.org2015-08-20 → 2026-03-14 · 3 obs
● 2015-08-20 23:05:54
● 2026-03-14 10:07:06
●A138.201.70.1612016-06-19 → 2026-03-14 · 3 obs
● 2016-06-19 13:33:48
● 2026-03-14 10:07:06
○A176.9.70.1782015-08-20 → 2015-09-07 · 5 obs
● 2015-08-20 23:05:54
● 2015-09-07 08:24:40
○ 2015-10-18 12:37:08
○ 2026-03-14 10:07:06
○A213.239.200.522008-12-13 → 2008-12-13 · 3 obs
○ 2015-08-20 23:05:54
○ 2026-03-14 10:07:06
○A2a01:4f8:151:a2::22015-08-20 → 2015-09-07 · 5 obs
● 2015-08-20 23:05:54
● 2015-09-07 08:24:40
○ 2015-10-18 12:37:08
○ 2026-03-14 10:07:06
○A2a01:4f8:172:120f:1::1612016-06-19 → 2016-12-19 · 5 obs
● 2016-06-19 13:33:48
● 2016-12-19 11:35:40
○ 2026-02-19 10:27:52
○ 2026-03-14 10:07:06
●A2a01:4f8:173:14c3:1::1612026-02-19 → 2026-03-14 · 3 obs
● 2026-02-19 10:27:52
● 2026-03-14 10:07:06
○A2a01:4f8:a0:112f::22015-10-18 → 2016-03-20 · 5 obs
● 2015-10-18 12:37:08
● 2016-03-20 02:13:04
○ 2016-06-19 13:33:48
○ 2026-03-14 10:07:06
○A88.198.43.342015-10-18 → 2016-03-20 · 5 obs
● 2015-10-18 12:37:08
● 2016-03-20 02:13:04
○ 2016-06-19 13:33:48
○ 2026-03-14 10:07:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mailb.org | ns1.mailb.org, ns2.mailb.org | 4 records |
✅ Authoritative Response
Server: 138.201.70.160
NS records: ns1.mailb.org, ns2.mailb.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 568ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.201.70.161 |
| AAAA | 1 | 2a01:4f8:173:14c3:1::161 |
| NS | 2 | ns1.mailb.org, ns2.mailb.org |
| MX | 1 | mx.mailb.org (pri: 10) |
| TXT | 3 | google-site-verification=StXq4PhRp66DkrU, yahoo-verification-key=uEjIB9hpZilREi0FC... |
| SOA | 1 | ns1.mailb.org root.mailb.org |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.mailb.org, ns2.mailb.org, ns1.mailb.org...)
Analysis
Hierarchy
mailb.org is the parent of mail.mailb.org, www.mailb.org, ns.mailb.org, ns2.mailb.org, mx.mailb.org and a few other host names.
IP Addresses
Two IP numbers are pointed to by mailb.org: 2a01:4f8:173:14c3:1::161 and 138.201.70.161.
other host names include oil21.org, piratecinema.org, rolux.org, mail.mailb.org and kuukuk.de; they share IP numbers with mailb.org.
Name Servers
Two name servers ns1.mailb.org and ns2.mailb.org handle the delegation for mailb.org.
mailb.org shares the same name server setup as other domains, for instance chatb.org, r-w-x.org, oil21.org, piratecinema.org and 0xdb.org.
mailb.org at least partially shares name servers with other domains, for instance nivedita.net, stealthisfilm.org, gbgb.in, stealthisfilm.com and orissi.com.
These name servers are commonly used alongside camp.r-w-x.org, ns3.mailb.org and ns2.camputer.org.
Host names with two IP numbers:
ns1.mailb.org points to 2a01:4f8:173:14c3:1::160 and 138.201.70.160.
ns2.mailb.org points to 2a01:4f8:a0:6465:3::1 and 85.10.193.37.
Mail Servers
mailb.org is handled by a single mail server, mx.mailb.org.
mailb.org uses the same mail server setup as other domains, for instance 190.bootlab.org, 207.bootlab.org, 237.bootlab.org, 159.bootlab.org and 169.bootlab.org.
mailb.org shares at least partially some mail servers with other domains, for instance 144.bootlab.org, 250.bootlab.org, mail.hostb.org, 151.bootlab.org and 160.bootlab.org.
mx.mailb.org resolves to two IPs: 2a01:4f8:173:14c3:1::161 and 138.201.70.161.