physref.com - robtex.com
physref.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1f18:16e:df01::258🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:16e:df01::259🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 18.208.88.157🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix | ||||||
| A | 98.84.224.111🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| MX | eforward1.registrar-servers.com ⭐ | ||||||
| A | 162.255.118.51🇺🇸 AS22612162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward2.registrar-servers.com ⭐ | ||||||
| A | 162.255.118.52🇺🇸 AS22612162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward3.registrar-servers.com ⭐ | ||||||
| A | 162.255.118.51🇺🇸 AS22612162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward4.registrar-servers.com(15) | ||||||
| A | 162.255.118.52🇺🇸 AS22612162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| MX | eforward5.registrar-servers.com(20) | ||||||
| A | 162.255.118.51🇺🇸 AS22612162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES | ||||||
| TXT | v=spf1 include:spf.efwd.registrar-servers.com ~all | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1761033090 | ||||||
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=1778640606 | ||||||
Same first word
physref.com |
Similar names
DNS History
12 records (11 active, 1 former)
●NSdns1.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
●NSdns2.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
●MXeforward1.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
●MXeforward2.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
●MXeforward3.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
●MXeforward4.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
●MXeforward5.registrar-servers.com2019-03-10 → 2026-05-13 · 2 obs
● 2026-05-13 03:09:52
○A162.255.119.642019-03-10 → 2019-03-10 · 3 obs
○ 2026-03-03 15:36:08
○ 2026-05-13 03:09:52
●A18.208.88.1572026-03-03 → 2026-05-13 · 3 obs
● 2026-03-03 15:36:08
● 2026-05-13 03:09:52
●A2600:1f18:16e:df01::2582026-03-03 → 2026-05-13 · 3 obs
● 2026-03-03 15:36:08
● 2026-05-13 03:09:52
●A2600:1f18:16e:df01::2592026-03-03 → 2026-05-13 · 3 obs
● 2026-03-03 15:36:08
● 2026-05-13 03:09:52
●A98.84.224.1112026-03-03 → 2026-05-13 · 3 obs
● 2026-03-03 15:36:08
● 2026-05-13 03:09:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| physref.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for physref.com (unsigned zone)
⏱️ Timing
Total: 385ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 98.84.224.111, 18.208.88.157 |
| AAAA | 2 | 2600:1f18:16e:df01::259, 2600:1f18:16e:df01::258 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
physref.com points to four IP numbers: 2600:1f18:16e:df01::258, 2600:1f18:16e:df01::259, 18.208.88.157 and 98.84.224.111.
Name Servers
physref.com's delegation uses two name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.
Host names with two IPs:
dns1.registrar-servers.com points to: 2610:a1:1024::200 and 156.154.132.200
dns2.registrar-servers.com points to: 2610:a1:1025::200 and 156.154.133.200
Mail Servers
Five mail servers handle physref.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.
Host names with a single IP:
Host eforward1.registrar-servers.com points to: 162.255.118.51.
Host eforward2.registrar-servers.com points to: 162.255.118.52.
Host eforward3.registrar-servers.com points to: 162.255.118.51.
Host eforward4.registrar-servers.com points to: 162.255.118.52.
Host eforward5.registrar-servers.com points to: 162.255.118.51.
Hosts pointing to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.
Hosts pointing to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com.