how-u-doing.com - robtex.com
how-u-doing.com
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=1776021732 | ||||||
Same first word
how-u-doing.com |
DNS History
15 records (9 active, 6 former)
●NSns1.dynu.com2026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
○NSns1.mydyndns.org2015-08-18 → 2015-08-18 · 3 obs
○ 2026-03-21 07:43:12
○ 2026-04-12 19:28:18
○NSns1194.dns.dyn.com2015-08-18 → 2015-08-18 · 3 obs
○ 2026-03-21 07:43:12
○ 2026-04-12 19:28:18
●NSns2.dynu.com2026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
○NSns2179.dns.dyn.com2015-08-18 → 2015-08-18 · 3 obs
○ 2026-03-21 07:43:12
○ 2026-04-12 19:28:18
●NSns3.dynu.com2026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
○NSns3150.dns.dyn.com2015-08-18 → 2015-08-18 · 3 obs
○ 2026-03-21 07:43:12
○ 2026-04-12 19:28:18
●NSns4.dynu.com2026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
○NSns4166.dns.dyn.com2015-08-18 → 2015-08-18 · 3 obs
○ 2026-03-21 07:43:12
○ 2026-04-12 19:28:18
●NSns5.dynu.com2026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
●NSns6.dynu.com2026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
●A173.30.167.2162026-03-21 → 2026-04-12 · 3 obs
● 2026-03-21 07:43:12
● 2026-04-12 19:28:18
○A71.80.30.1462015-08-18 → 2015-08-18 · 3 obs
○ 2026-03-21 07:43:12
○ 2026-04-12 19:28:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| how-u-doing.com | ns1.dynu.com, ns2.dynu.com | 3 records |
✅ Authoritative Response
Server:108.181.13.234
NS records: ns1.dynu.com, ns2.dynu.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for how-u-doing.com (unsigned zone)
⏱️ Timing
Total: 379ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.30.167.216 |
| NS | 6 | ns3.dynu.com, ns1.dynu.com... |
| MX | 2 | mx1.dynu.com (pri: 10), mx2.dynu.com (pri: 20) |
| TXT | 1 | mailconf=https://autoconfig.dynu.com/mai |
| SOA | 1 | ns1.dynu.com administrator.dynu.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.dynu.com, ns2.dynu.com, ns2.dynu.com)
Analysis
IP Addresses
how-u-doing.com points to a single IP: 173.30.167.216.
Name Servers
how-u-doing.com is delegated to six name servers: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns5.dynu.com and ns6.dynu.com.
how-u-doing.com partially shares name servers with other domains; examples include rickcopley.net, kbshots.com, gordon.house, tw004plz.myidcddns.com and jasonmcampbell.us.
These name servers are commonly used with ns10.dynu.com, ns7.dynu.com, ns9.dynu.com, ns8.dynu.com, ns11.dynu.com and ns12.dynu.com.
Host names with two IP numbers:
ns2.dynu.com points to: 2602:ff23:0:8888::2 and 108.181.13.234.
ns3.dynu.com points to: 2605:9f80:4000:214::2 and 162.251.164.146.
ns4.dynu.com points to: 2604:6600:2000:39::2 and 108.181.159.122.
ns5.dynu.com points to: 2605:9f80:c000:404::2 and 216.105.169.98.
ns6.dynu.com points to: 2607:f8f8:631:8612::2 and 173.0.55.138.
Host names with one IP number:
ns1.dynu.com points to: 72.51.58.2.
Mail Servers
how-u-doing.com is handled by two mail servers: mx1.dynu.com and mx2.dynu.com.
how-u-doing.com has the same mail server setup as other domains, including higginstechnology.com, carterservicestn.com, datagovernmentlab.com, itmagic.us and aoun-networks.com.
how-u-doing.com shares some mail servers with other domains, at least partially, such as beekhuizen.nu, cstriffler.com, ratus.net, zblabs.com and ibrocard.com.
These mail servers are often used with store1.dynu.com, store2.dynu.com, acadia-mx.dynu.com and bryce-mx.dynu.com.
Eight IPs for mx1.dynu.com: 72.51.58.35, 72.51.58.36, 72.51.58.37, 72.51.58.38, 162.216.242.35, 162.216.242.36, 162.216.242.37 and 162.216.242.38.
One IP for mx2.dynu.com: 107.161.27.201.