polarcrossing.com - robtex.com
polarcrossing.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.239.38.179🇺🇸 WEBAIR173.239.0.0/18 Webair Internet Development Inc. | ||||||
| PTR | mail.hitek-hosting.com | ||||||
| NS | ns11.worldnic.com ⭐ | ||||||
| A | 162.159.26.214Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns12.worldnic.com | ||||||
| A | 162.159.27.150Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | d319493a.ess.barracudanetworks.com ⭐ | ||||||
| A | 209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| MX | d319493b.ess.barracudanetworks.com ⭐ | ||||||
| A | 209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| TXT | knowbe4-site-verification=eda4254479344a49a6e3df7a3a29e20e | ||||||
| TXT | MS=ms73724289 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| TXT | pfok37djnq6cursf13v1ct0bl5 | ||||||
| TXT | google-site-verification=la2gyZI2f_szTG5UOXDzSlRHj5lcQgxQAALxZ8ltvzw | ||||||
| TXT | si33424smgvm6jqpda41t1aepf | ||||||
| SOA | NS11.WORLDNIC.comnamehost@WORLDNIC@com serial=124103008 | ||||||
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=1774976932 | ||||||
Same first word
polarcrossing.com |
DNS History
8 records (5 active, 3 former)
●NSns11.worldnic.com2026-03-04 → 2026-03-31 · 3 obs
● 2026-03-04 14:22:56
● 2026-03-31 17:12:36
●NSns12.worldnic.com2026-03-04 → 2026-03-31 · 3 obs
● 2026-03-04 14:22:56
● 2026-03-31 17:12:36
○NSns73.domaincontrol.com2015-07-14 → 2017-03-30 · 4 obs
● 2017-03-30 13:48:44
○ 2026-03-04 14:22:56
○ 2026-03-31 17:12:36
○NSns74.domaincontrol.com2015-07-14 → 2017-03-30 · 4 obs
● 2017-03-30 13:48:44
○ 2026-03-04 14:22:56
○ 2026-03-31 17:12:36
●MXd319493a.ess.barracudanetworks.com2026-03-04 → 2026-03-31 · 3 obs
● 2026-03-04 14:22:56
● 2026-03-31 17:12:36
●MXd319493b.ess.barracudanetworks.com2026-03-04 → 2026-03-31 · 3 obs
● 2026-03-04 14:22:56
● 2026-03-31 17:12:36
○MXmail.jkings.com2015-07-14 → 2017-03-30 · 4 obs
● 2017-03-30 13:48:44
○ 2026-03-04 14:22:56
○ 2026-03-31 17:12:36
●A173.239.38.1792015-07-14 → 2026-03-31 · 2 obs
● 2026-03-31 17:12:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| polarcrossing.com | ns11.worldnic.com, ns12.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.150
NS records: ns11.worldnic.com, ns12.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polarcrossing.com (unsigned zone)
⏱️ Timing
Total: 210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns12.worldnic.com, ns11.worldnic.com |
| MX | 2 | d319493a.ess.barracudanetworks.com (pri:, d319493b.ess.barracudanetworks.com (pri: |
| TXT | 6 | knowbe4-site-verification=eda4254479344a, MS=ms73724289... |
| SOA | 1 | NS11.WORLDNIC.com namehost@WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns11.worldnic.com, ns12.worldnic.com)
Analysis
IP Addresses
polarcrossing.com resolves to one IP number: 173.239.38.179.
other host names including mail.degreeday.com, ns1.hitek-hosting.com, opa28.com, mail.myjpexpress.com and checkyourtest.com share IP numbers with polarcrossing.com.
Name Servers
polarcrossing.com is delegated to two name servers ns11.worldnic.com and ns12.worldnic.com.
polarcrossing.com shares the same name server setup as other domains, for instance netoment.com, hcca.us, aws-principal.net, sebssocal.com and peconic.org.
polarcrossing.com at least partially shares name servers with other domains, for instance pilot.capital.
Host names with one IP number:
ns11.worldnic.com points to 162.159.26.214
ns12.worldnic.com points to 162.159.27.150
Mail Servers
Two mail servers handle polarcrossing.com: d319493a.ess.barracudanetworks.com and d319493b.ess.barracudanetworks.com.
Host names with three IPs:
d319493a.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.
d319493b.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.
Hosts pointing to 209.222.82.252: d319493a.ess.barracudanetworks.com and d319493b.ess.barracudanetworks.com.
Hosts pointing to 209.222.82.253: d319493a.ess.barracudanetworks.com and d319493b.ess.barracudanetworks.com.
Hosts pointing to 209.222.82.255: d319493a.ess.barracudanetworks.com and d319493b.ess.barracudanetworks.com.