knowforsure.com - robtex.com
knowforsure.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.17.116.160🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| NS | ns71.worldnic.com ⭐ | ||||||
| A | 162.159.26.27Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns72.worldnic.com | ||||||
| A | 162.159.27.78Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx001.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.128🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx31.oxsus-vadesecure.net | ||||||
| MX | mx002.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.129🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx32.oxsus-vadesecure.net | ||||||
| MX | mx003.netsol.xion.oxcs.net ⭐ | ||||||
| A | 51.81.206.108🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | mx33.oxsus-vadesecure.net | ||||||
| MX | mx004.netsol.xion.oxcs.net ⭐ | ||||||
| A | 51.81.206.109🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | mx34.oxsus-vadesecure.net | ||||||
| TXT | v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all | ||||||
| SOA | NS71.WORLDNIC.comnamehost@WORLDNIC.com serial=125121916 | ||||||
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=1776165177 | ||||||
Same first word
knowforsure.com |
DNS History
10 records (7 active, 3 former)
●NSns71.worldnic.com2015-07-25 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
●NSns72.worldnic.com2015-07-25 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
○MXinbound.knowforsure.com.netsolmail.net2015-07-25 → 2017-02-06 · 4 obs
● 2017-02-06 08:58:30
○ 2020-03-23 17:58:22
○ 2026-04-14 11:39:06
●MXmx001.netsol.xion.oxcs.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
●MXmx002.netsol.xion.oxcs.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
●MXmx003.netsol.xion.oxcs.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
●MXmx004.netsol.xion.oxcs.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
○MXmx1.netsolmail.net2020-03-23 → 2020-03-23 · 3 obs
● 2020-03-23 17:58:22
○ 2026-04-14 11:39:06
●A209.17.116.1602026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 11:39:06
○A209.17.116.82015-07-25 → 2020-03-23 · 3 obs
● 2020-03-23 17:58:22
○ 2026-04-14 11:39:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| knowforsure.com | ns71.worldnic.com, ns72.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.27
NS records: ns71.worldnic.com, ns72.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowforsure.com (unsigned zone)
⏱️ Timing
Total: 180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.17.116.160 |
| NS | 2 | ns72.worldnic.com, ns71.worldnic.com |
| MX | 4 | mx002.netsol.xion.oxcs.net (pri: 10), mx004.netsol.xion.oxcs.net (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.registeredsite.com in |
| SOA | 1 | NS71.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns71.worldnic.com, ns72.worldnic.com)
Analysis
IP Addresses
knowforsure.com points to a single IP number: 209.17.116.160.
Other host names, for instance zanna.com, maritimewoodproducts.com, www.pci.world, chapmanfirm.com and www.rancogroup.com share IP numbers with knowforsure.com.
Name Servers
knowforsure.com is delegated to two name servers: ns71.worldnic.com and ns72.worldnic.com.
knowforsure.com uses the same name server setup as other domains, for instance myaaflightservice.com, sterling.info, brookshoughton.com, seniorsleague.org and selaservices.com.
knowforsure.com shares name servers with other domains at least partially, for instance websolutionproviders.com and acasapr.com.
Host names with one IP number:
ns71.worldnic.com points to: 162.159.26.27.
ns72.worldnic.com points to: 162.159.27.78.
Mail Servers
knowforsure.com is handled by four mail servers: mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.
knowforsure.com shares some mail servers with other domains, including forthelamb.com, noble-tz.com, metroseafood.com, firehazmat.com and rhofer.com.
Host names with a single IP:
mx001.netsol.xion.oxcs.net points to 173.45.18.128.
mx002.netsol.xion.oxcs.net points to 173.45.18.129.
mx003.netsol.xion.oxcs.net points to 51.81.206.108.
mx004.netsol.xion.oxcs.net points to 51.81.206.109.