660corp.com - robtex.com
660corp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.197.236.79🇺🇸 AS111128.197.0.0/16 Trustees of Boston University | ||||||
| PTR | www-redirector.bu.edu | ||||||
| NS | ist-dns-prod10.bu.edu ⭐ | ||||||
| A | 10.58.39.25 | ||||||
| NS | edns01.bu.edu | ||||||
| A | 54.162.183.186🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-54-162-183-186.compute-1.amazonaws.com | ||||||
| NS | edns02.bu.edu | ||||||
| A | 168.122.254.62🇺🇸 AS111168.122.0.0/16 Trustees of Boston University | ||||||
| PTR | edns02.bu.edu | ||||||
| NS | edns03.bu.edu | ||||||
| A | 3.210.172.14🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-210-172-14.compute-1.amazonaws.com | ||||||
| MX | mail.660corp.com ⭐ | ||||||
| A | 204.8.156.196🇺🇸 AS10961204.8.152.0/21 Trustees of Boston University | ||||||
| PTR | mail.660corp.com | ||||||
| MX | aspmx.l.google.com(10) | ||||||
| A | 2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | bk-in-f27.1e100.net | ||||||
| A | 172.253.62.27🇺🇸 Google172.253.62.0/24 | ||||||
| PTR | bc-in-f27.1e100.net | ||||||
| TXT | v=spf1 a mx ptr -all | ||||||
| SOA | ist-dns-prod10.bu.eduhostmaster@bu.edu 2010-06-11 #19 | ||||||
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=1771291435 | ||||||
Subdomains
mail.660corp.com |
Same first word
660corp.com |
DNS History
13 records (7 active, 6 former)
○NSdns02.bu.edu2015-05-09 → 2026-02-15 · 8 obs
○ 2015-10-22 18:58:38
○ 2016-04-01 13:39:38
● 2016-09-13 11:14:56
○ 2017-11-11 02:39:36
● 2026-02-15 21:47:52
○ 2026-02-23 07:25:44
○ 2026-03-05 18:41:50
○NSdns03.bu.edu2015-05-09 → 2016-04-01 · 4 obs
● 2016-04-01 13:39:38
○ 2016-09-13 11:14:56
○ 2026-03-05 18:41:50
○NSdns04.bu.edu2015-05-09 → 2017-11-11 · 6 obs
○ 2015-10-22 18:58:38
○ 2016-09-13 11:14:56
● 2017-11-11 02:39:36
○ 2026-02-15 21:47:52
○ 2026-03-05 18:41:50
●NSist-dns-prod10.bu.edu2026-02-23 → 2026-03-05 · 3 obs
● 2026-02-23 07:25:44
● 2026-03-05 18:41:50
○NSist-dns-prod11.bu.edu2026-02-15 → 2026-03-05 · 2 obs
○ 2026-03-05 18:41:50
●MXaspmx.l.google.com2015-05-09 → 2026-03-05 · 2 obs
● 2026-03-05 18:41:50
●MXmail.660corp.com2015-05-09 → 2026-03-05 · 2 obs
● 2026-03-05 18:41:50
○A128.197.236.1052015-05-09 → 2016-09-13 · 4 obs
● 2016-09-13 11:14:56
○ 2017-11-11 02:39:36
○ 2026-03-05 18:41:50
●A128.197.236.792026-02-15 → 2026-03-05 · 3 obs
● 2026-02-15 21:47:52
● 2026-03-05 18:41:50
○A128.197.236.962017-11-11 → 2017-11-11 · 4 obs
● 2017-11-11 02:39:36
○ 2026-02-15 21:47:52
○ 2026-03-05 18:41:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 660corp.com | edns01.bu.edu, edns02.bu.edu, edns03.bu.edu | - |
✅ Authoritative Response
Server: 3.210.172.14
NS records: edns01.bu.edu, edns02.bu.edu, edns03.bu.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 660corp.com (unsigned zone)
⏱️ Timing
Total: 282ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.197.236.79 |
| NS | 3 | edns01.bu.edu, edns03.bu.edu... |
| MX | 2 | aspmx.l.google.com (pri: 10), mail.660corp.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr -all |
| SOA | 1 | ist-dns-prod11.bu.edu hostmaster.bu.edu |
Analysis
Hierarchy
660corp.com is the parent of mail.660corp.com.
IP Addresses
660corp.com resolves to a single IP: 128.197.236.79.
Other host names, for instance nf-kb.com, masslocalinstitute.com, auxin.org, meetatbu.com and sarcoid.org share IP numbers with 660corp.com.
Name Servers
660corp.com is delegated to four name servers: edns01.bu.edu, edns02.bu.edu, edns03.bu.edu and ist-dns-prod10.bu.edu.
660corp.com shares some name servers with other domains, for example cms-syst.bu.edu, 206.5.192.in-addr.arpa, urbanarch.org, 190.12.192.in-addr.arpa and city-convenience.com.
These name servers are commonly used together with ist-dns-prod11.bu.edu and dns02.bu.edu.
Host names with a single IP
edns01.bu.edu resolves to 54.162.183.186
edns02.bu.edu resolves to 168.122.254.62
edns03.bu.edu resolves to 3.210.172.14
ist-dns-prod10.bu.edu resolves to 10.58.39.25
Mail Servers
660corp.com is served by two mail servers: mail.660corp.com and aspmx.l.google.com.
660corp.com shares some mail servers with other domains, at least partially; for instance ranrao.com, arttime.com, americanalpsranch.com, amaltheiadairy.com and conker.ai.
These mail servers are often used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers: aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.
Host names with one IP number: mail.660corp.com points to: 204.8.156.196.