portdb.io - robtex.com
portdb.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:cec0:10:13d::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| A | 83.172.182.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing | ||||||
| NS | ns1.hostingnameserver.biz ⭐ | ||||||
| A | 2a02:cec0:10:13d::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| A | 83.172.182.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| NS | ns2.hostingnameserver.biz | ||||||
| A | 2a02:cec0:10:13d::2🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| A | 83.172.183.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| MX | mail.portdb.io ⭐ | ||||||
| A | 2a02:cec0:10:13d::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| A | 83.172.182.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing | ||||||
| PTR | mail.hostingnameserver.biz | ||||||
| TXT | v=spf1 a mx ip4:83.172.182.48 ip4:83.172.180.0/22 ip6:2a02:cec0:10:13d:0:0:0:... | ||||||
| SOA | ns1.hostingnameserver.bizhostmaster@portdb.io 2026-08-11 #0 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1786946321 | ||||||
Subdomains
mail.portdb.io |
Same first word
Similar names
bdtpro.com |
tbdpro.com |
bdport.com |
dbport.com |
dtbpro.com |
bdport.com.ua |
protdb.ru |
btdrop.com |
droptb.com |
tdbpro.com |
tbprod.com |
dbport.de |
btprod.com |
dbport.eu |
robdpt.com |
dbport.dk |
DNS History
5 records (5 active, 0 former)
●NSns1.hostingnameserver.biz2026-07-07 → 2026-08-17 · 2 obs
● 2026-08-17 06:12:26
●NSns2.hostingnameserver.biz2026-07-07 → 2026-08-17 · 2 obs
● 2026-08-17 06:12:26
●MXmail.portdb.io2026-07-07 → 2026-08-17 · 2 obs
● 2026-08-17 06:12:26
●A2a02:cec0:10:13d::12026-07-07 → 2026-08-17 · 2 obs
● 2026-08-17 06:12:26
●A83.172.182.482026-07-07 → 2026-08-17 · 2 obs
● 2026-08-17 06:12:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| portdb.io | ns1.hostingnameserver.biz, ns2.hostingnameserver.biz | - |
✅ Authoritative Response
Server:83.172.183.48
NS records: ns1.hostingnameserver.biz, ns2.hostingnameserver.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for portdb.io (unsigned zone)
⏱️ Timing
Total: 597ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.172.182.48 |
| AAAA | 1 | 2a02:cec0:10:13d::1 |
| NS | 2 | ns1.hostingnameserver.biz, ns2.hostingnameserver.biz |
| MX | 1 | mail.portdb.io (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:83.172.182.48 ip4:83.172 |
| SOA | 1 | ns1.hostingnameserver.biz hostmaster.por |
Analysis
Hierarchy
portdb.io serves as the parent of mail.portdb.io.
IP Addresses
portdb.io directs to two IP numbers, 83.172.182.48 and 2a02:cec0:10:13d::1
statistiek.com, statistieken.com, profias.com and two other host names share IP numbers with portdb.io.
Name Servers
DNS delegation for portdb.io points to two name servers: ns1.hostingnameserver.biz and ns2.hostingnameserver.biz.
portdb.io uses the same name servers as several other domains — among them kooistra.net, vdvoort.com, stinksisters.com and two more.
portdb.io has a partial name server overlap with other domains — among them vandenheuvel.it and dvdheuvel.com.
It is common to see these name servers used together with name servers ns01.dvdheuvel.com and ns02.dvdheuvel.com.
ns1.hostingnameserver.biz directs to 83.172.182.48 and 2a02:cec0:10:13d::1. ns2.hostingnameserver.biz directs to 83.172.183.48 and 2a02:cec0:10:13d::2. Each host name carries two IP addresses.
Mail Servers
Mail for portdb.io is handled by a single mail server, mail.portdb.io.
mail.portdb.io has two IP addresses: 83.172.182.48 and 2a02:cec0:10:13d::1.