harvardphysics.com - robtex.com
harvardphysics.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.254.30.148🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | xxodusdesign.com | ||||||
| NS | ns1.justhost.com ⭐ | ||||||
| A | 162.159.24.49Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.justhost.com | ||||||
| NS | ns2.justhost.com | ||||||
| A | 162.159.25.241Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.justhost.com | ||||||
| MX | mail.harvardphysics.com ⭐ | ||||||
| A | 173.254.30.148🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | xxodusdesign.com | ||||||
| TXT | v=spf1 a mx ptr include:justhost.com ?all | ||||||
| SOA | ns1.justhost.comroot@just2045.justhost.com 2025-04-04 #0 | ||||||
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.harvardphysics.com |
Same first word
harvardphysics.com |
DNS History
5 records (4 active, 1 former)
●NSns1.justhost.com2016-01-14 → 2026-03-24 · 2 obs
● 2026-03-24 07:36:38
●NSns2.justhost.com2016-01-14 → 2026-03-24 · 2 obs
● 2026-03-24 07:36:38
●MXmail.harvardphysics.com2016-01-14 → 2026-03-24 · 2 obs
● 2026-03-24 07:36:38
○A173.254.28.1382016-01-14 → 2017-06-05 · 4 obs
● 2017-06-05 13:30:28
○ 2026-03-15 01:38:30
○ 2026-03-24 07:36:38
●A173.254.30.1482026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 01:38:30
● 2026-03-24 07:36:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| harvardphysics.com | ns1.justhost.com, ns2.justhost.com | 2 records |
✅ Authoritative Response
Server:162.159.24.49
NS records: ns1.justhost.com, ns2.justhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for harvardphysics.com (unsigned zone)
⏱️ Timing
Total: 212ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.254.30.148 |
| NS | 2 | ns1.justhost.com, ns2.justhost.com |
| MX | 1 | mail.harvardphysics.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:justhost.com ?al |
| SOA | 1 | ns1.justhost.com root.just2045.justhost. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.justhost.com, ns2.justhost.com)
Analysis
Hierarchy
harvardphysics.com is the parent of mail.harvardphysics.com.
IP Addresses
harvardphysics.com resolves to one IP number: 173.254.30.148.
other host names including 57dots.com, littleredhentagging.com, firstpeoplecentre.org, object-e.net and conroyelectrics.com share IP numbers with harvardphysics.com.
Name Servers
harvardphysics.com is delegated to two name servers ns1.justhost.com and ns2.justhost.com.
harvardphysics.com shares the same name server setup as other domains, for instance sangisbeautysalon.com, x-ellent.com, lasandcolgotexan.com, doubledayequity.com and hopperhut.com.
harvardphysics.com at least partially shares name servers with other domains, for instance proximity-cm.com, kastenmeier.com, coins-of-the-uk.co.uk, uk-online.co.uk and therealcaptainmorgan.com.
These name servers are commonly used with ns1.pipedns.com, ns2.pipedns.com, ns3.pipedns.com, ns1.bluehost.com and ns2.bluehost.com.
Host names with one IP number:
ns1.justhost.com points to 162.159.24.49
ns2.justhost.com points to 162.159.25.241
Mail Servers
harvardphysics.com is handled by a single mail server, mail.harvardphysics.com.
mail.harvardphysics.com resolves to IP 173.254.30.148.