503tech.com - dns.ninja
503tech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.128.139.202🇺🇸 AS-VULTR216.128.128.0/20 Vultr Assigned Prefix | ||||||
| PTR | 216.128.139.202.vultrusercontent.com | ||||||
| NS | ns1.site4now.net ⭐ | ||||||
| A | 70.39.73.45🇺🇸 SHARKTECH-170.39.73.0/24 PNAP-CHG FDCS Route | ||||||
| PTR | jbe4j12sz.rollforsurprise.com | ||||||
| A | 204.188.197.84🇺🇸 SHARKTECH-1204.188.192.0/18 Sharktech Inc. | ||||||
| A | 204.188.197.246🇺🇸 SHARKTECH-1204.188.192.0/18 Sharktech Inc. | ||||||
| PTR | ns1.accessrgn.net | ||||||
| NS | ns2.site4now.net | ||||||
| A | 45.58.159.232🇳🇱 SHARKTECH-145.58.159.0/24 | ||||||
| PTR | customer.sharktech.net | ||||||
| A | 45.58.159.233🇳🇱 SHARKTECH-145.58.159.0/24 | ||||||
| PTR | customer.sharktech.net | ||||||
| A | 208.98.36.41🇺🇸 SHARKTECH-1208.98.36.0/24 | ||||||
| NS | ns3.site4now.net | ||||||
| A | 45.58.159.230🇳🇱 SHARKTECH-145.58.159.0/24 | ||||||
| PTR | customer.sharktech.net | ||||||
| A | 45.58.159.231🇳🇱 SHARKTECH-145.58.159.0/24 | ||||||
| PTR | customer.sharktech.net | ||||||
| A | 208.98.36.42🇺🇸 SHARKTECH-1208.98.36.0/24 | ||||||
| SOA | ns1.site4now.nethostmaster@hostbuddy.com 2026-07-07 #6 | ||||||
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=1785270192 | ||||||
Same first word
503tech.com |
Similar names
DNS History
15 records (4 active, 11 former)
○NSdns1.name-services.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○NSdns2.name-services.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○NSdns3.name-services.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○NSdns4.name-services.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○NSdns5.name-services.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
●NSns1.site4now.net2026-04-07 → 2026-07-28 · 3 obs
○ 2017-04-06 12:06:08
● 2026-04-07 07:17:46
● 2026-07-28 20:49:54
● 2026-04-07 07:17:46
● 2026-07-28 20:49:54
●NSns2.site4now.net2026-04-07 → 2026-07-28 · 3 obs
○ 2017-04-06 12:06:08
● 2026-04-07 07:17:46
● 2026-07-28 20:49:54
● 2026-04-07 07:17:46
● 2026-07-28 20:49:54
●NSns3.site4now.net2026-04-07 → 2026-07-28 · 3 obs
○ 2017-04-06 12:06:08
● 2026-04-07 07:17:46
● 2026-07-28 20:49:54
● 2026-04-07 07:17:46
● 2026-07-28 20:49:54
○MXalt1.aspmx.l.google.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○MXalt2.aspmx.l.google.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○MXaspmx.l.google.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○MXaspmx2.googlemail.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○MXaspmx3.googlemail.com2015-07-20 → 2016-09-17 · 4 obs
● 2015-07-20 07:58:10
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
● 2016-09-17 20:41:56
○ 2017-04-06 12:06:08
○ 2026-07-28 20:49:54
○A208.98.35.882026-04-29 → 2026-04-29 · 2 obs
● 2026-04-29 16:01:08
○ 2026-07-28 20:49:54
○ 2026-07-28 20:49:54
●A216.128.139.2022026-07-28 → 2026-07-28 · 2 obs
○ 2026-04-29 16:01:08
● 2026-07-28 20:49:54
● 2026-07-28 20:49:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| 503tech.com | ns1.site4now.net, ns2.site4now.net, ns3.site4now.net | - |
✅ Authoritative Response
Server:208.98.36.41
NS records: ns1.site4now.net, ns2.site4now.net, ns3.site4now.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 503tech.com (unsigned zone)
⏱️ Timing
Total: 1848ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.128.139.202 |
| NS | 3 | ns2.site4now.net, ns3.site4now.net... |
| SOA | 1 | ns1.site4now.net hostmaster.hostbuddy.co |
Analysis
IP Addresses
503tech.com resolves to just one IP address, 216.128.139.202.
Name Servers
Three name servers are authoritative for 503tech.com: ns1.site4now.net, ns2.site4now.net and ns3.site4now.net.
503tech.com has at least partial name server overlap with other domains, such as bea3.net, laquintaportlandor.com, boulderacupunctureclinic.com and two others.
The hostnames ns1.site4now.net, ns2.site4now.net and ns3.site4now.net each have three IP numbers. ns1.site4now.net's IP addresses are 70.39.73.45, 204.188.197.84 and 204.188.197.246. ns2.site4now.net's IP addresses are 45.58.159.232, 45.58.159.233 and 208.98.36.41. ns3.site4now.net's IP addresses are 45.58.159.230, 45.58.159.231 and 208.98.36.42.