isfb-inc.com - robtex.com
isfb-inc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.57.231.5🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | webhost05.webhero.com | ||||||
| NS | ns1.webhero.com ⭐ | ||||||
| A | 216.57.226.6🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | ns1.webhero.com | ||||||
| NS | ns2.webhero.com | ||||||
| A | 216.57.227.6🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | ns2.webhero.com | ||||||
| NS | ns3.webhero.com | ||||||
| A | 216.57.228.6🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | ns3.webhero.com | ||||||
| MX | mx2.webhero.com ⭐ | ||||||
| A | 216.57.225.200🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | spamshark01.webhero.com | ||||||
| A | 216.57.225.201🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | spamshark02.webhero.com | ||||||
| MX | mx1.webhero.com(20) | ||||||
| A | 216.57.225.200🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | spamshark01.webhero.com | ||||||
| A | 216.57.225.201🇺🇸 AS7258216.57.224.0/20 MTC3 | ||||||
| PTR | spamshark02.webhero.com | ||||||
| SOA | ns1.webhero.comroot@isfb-inc.com 2004-11-24 #1 | ||||||
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=1775321477 | ||||||
Same first word
isfb-inc.com |
DNS History
10 records (6 active, 4 former)
○NSns1.catalog.com2015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 23:28:44
○ 2017-12-31 08:41:30
○ 2026-04-04 17:12:26
●NSns1.webhero.com2017-12-31 → 2026-04-04 · 3 obs
● 2017-12-31 08:41:30
● 2026-04-04 17:12:26
○NSns2.catalog.com2015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 23:28:44
○ 2017-12-31 08:41:30
○ 2026-04-04 17:12:26
●NSns2.webhero.com2017-12-31 → 2026-04-04 · 3 obs
● 2017-12-31 08:41:30
● 2026-04-04 17:12:26
○NSns3.catalog.com2015-06-25 → 2017-01-09 · 4 obs
● 2017-01-09 23:28:44
○ 2017-12-31 08:41:30
○ 2026-04-04 17:12:26
●NSns3.webhero.com2017-12-31 → 2026-04-04 · 3 obs
● 2017-12-31 08:41:30
● 2026-04-04 17:12:26
●MXmx1.webhero.com2015-06-25 → 2026-04-04 · 2 obs
● 2026-04-04 17:12:26
●MXmx2.webhero.com2015-06-25 → 2026-04-04 · 2 obs
● 2026-04-04 17:12:26
○A209.217.33.1512015-06-25 → 2017-12-31 · 4 obs
● 2017-12-31 08:41:30
○ 2026-03-07 18:57:04
○ 2026-04-04 17:12:26
●A216.57.231.52026-03-07 → 2026-04-04 · 3 obs
● 2026-03-07 18:57:04
● 2026-04-04 17:12:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| isfb-inc.com | ns1.webhero.com, ns2.webhero.com, ns3.webhero.com | 3 records |
✅ Authoritative Response
Server:216.57.227.6
NS records: ns1.webhero.com, ns2.webhero.com, ns3.webhero.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isfb-inc.com (unsigned zone)
⏱️ Timing
Total: 238ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.57.231.5 |
| NS | 3 | ns3.webhero.com, ns2.webhero.com... |
| MX | 2 | mx2.webhero.com (pri: 10), mx1.webhero.com (pri: 20) |
| SOA | 1 | ns1.webhero.com root.isfb-inc.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.webhero.com, ns2.webhero.com, ns3.webhero.com)
Analysis
IP Addresses
isfb-inc.com points to a single IP: 216.57.231.5.
Other host names, for instance boatmanager.com, gwynngroup.net, recoveronline.net, meha.com and planetn.biz share IP numbers with isfb-inc.com.
Name Servers
isfb-inc.com is delegated to three name servers: ns1.webhero.com, ns2.webhero.com and ns3.webhero.com.
isfb-inc.com at least partially shares its name servers with other domains, for instance pvhsalumni.com, ethos.us, fintechk.com, alexisshort.com and rightcareinitiative.org.
these name servers are commonly used together with dns.okc.oklahoma.net, dns.tulsa.oklahoma.net, dallasi5.dallas.net and dns.dallas.net.
Host names with one IP number:
ns1.webhero.com points to: 216.57.226.6.
ns2.webhero.com points to: 216.57.227.6.
ns3.webhero.com points to: 216.57.228.6.
Mail Servers
Two mail servers mx1.webhero.com and mx2.webhero.com handle isfb-inc.com.
isfb-inc.com uses the same mail server setup as other domains such as usbby.org, tdemovie.com, northernkentuckyhomes.org, livinginthequestion.com and thermapros.com.
isfb-inc.com shares at least some mail servers with other domains, for instance weckerphoto.com and drkarma.com.
Host names with two IP numbers:
The host names mx1.webhero.com and mx2.webhero.com point to 216.57.225.200 and 216.57.225.201.
Host names that point to 216.57.225.200: mx1.webhero.com and mx2.webhero.com.
Host names that point to 216.57.225.201: mx1.webhero.com and mx2.webhero.com.