www.b21.io - robtex.com
www.b21.io
b21.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.233.219.49🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies | ||||||
| A | 172.233.219.78🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies | ||||||
| A | 172.233.219.123🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies | ||||||
| A | 172.237.146.8🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies | ||||||
| A | 172.237.146.25🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies | ||||||
| A | 172.237.146.38🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies | ||||||
| NS | ns1.parklogic.com ⭐ | ||||||
| NS | ns2.parklogic.com | ||||||
| MX | mx1.emailsendhub.com ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.parklogic.comhostmaster@b21.io 2019-10-23 #1 | ||||||
Same first word
Similar names
DNS History
11 records (9 active, 2 former)
●NSns1.parklogic.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●NSns2.parklogic.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
○MXmx.plingest.com2026-04-15 → 2026-04-15 · 2 obs
○ 2026-04-15 22:33:48
●MXmx1.emailsendhub.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●A172.233.219.1232026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●A172.233.219.492026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●A172.233.219.782026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●A172.237.146.252026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●A172.237.146.382026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
●A172.237.146.82026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 22:33:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| b21.io | ns1.parklogic.com, ns2.parklogic.com | - |
✅ Authoritative Response
Server:216.38.8.121
NS records: ns1.parklogic.com, ns2.parklogic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b21.io (unsigned zone)
⏱️ Timing
Total: 458ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 6 | 172.237.146.8, 172.237.146.38... |
| NS | 2 | ns1.parklogic.com, ns2.parklogic.com |
| MX | 1 | mx1.emailsendhub.com (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.parklogic.com hostmaster.b21.io |
Analysis
IP Addresses
www.b21.io maps to six IPs: 172.233.219.49, 172.233.219.78, 172.233.219.123, 172.237.146.8, 172.237.146.25 and 172.237.146.38.
Other host names, for instance www.easternshorevablog.com, diygsm.com, www.mundodasferramentas.com, foscal.com and teammegamix.com share IP numbers with www.b21.io.
Name Servers
www.b21.io's delegation uses two name servers: ns1.parklogic.com and ns2.parklogic.com.
www.b21.io uses the same name server setup as other domains, such as their.it, pakexchangeltd.com, gxmsl.howbbs.com, news-depihe.com and splitpot.it.
www.b21.io at least partially shares name servers with other domains, including bdst.de, store-online.info, mrlaw.net, fastesthosting.net and vaivoc.com.
these name servers are commonly used alongside ns3.parklogic.com, ns1.ns306.parklogic.com, ns2.ns306.parklogic.com, ns1.gm111.parklogic.com, ns2.gm111.parklogic.com, ns1-coming-soon.sav.com and ns2-coming-soon.sav.com.
Host names with six IP numbers:
ns1.parklogic.com points to 2001:19f0:6000:39be:5400:6ff:fe0b:e907, 50.28.104.44, 50.116.34.34, 69.39.238.36, 69.39.238.37 and 149.28.95.10.
ns2.parklogic.com points to 2001:19f0:5c00:481f:5400:6ff:fe0b:e87c, 45.79.197.241, 50.28.102.86, 66.42.120.24, 216.38.8.120 and 216.38.8.121.
Mail Servers
A single mail server handles www.b21.io, mx1.emailsendhub.com.
www.b21.io shares the same mail server setup as other domains, for instance camabi.net, fragfanatics.com, uniondht.org, cheapestgamekey.com and thienthanxinh.com.
The host name mx1.emailsendhub.com resolves to two IP numbers: 216.127.132.23 and 216.127.132.24.