firsthandworld.com - robtex.com

firsthandworld.com

DNSSEC⚠️ Not signed
NSpdns73.ultradns.biz ⚠️ Not in zone NS records
A2610:a1:1015::6d🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns73.ultradns.biz
A156.154.66.73🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns73.ultradns.biz
NSpdns73.ultradns.co.uk ⚠️ Not in zone NS records
A2610:a1:1017::6d🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns73.ultradns.co.uk
A156.154.69.73🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRpdns73.ultradns.co.uk
NSpdns73.ultradns.com ⚠️ Not in zone NS records
A2001:502:f3ff::6d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns73.ultradns.com
A156.154.64.73🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns73.ultradns.com
NSpdns73.ultradns.info ⚠️ Not in zone NS records
A2610:a1:1016::6d🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns73.ultradns.info
A156.154.68.73🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRpdns73.ultradns.info
NSpdns73.ultradns.net ⚠️ Not in zone NS records
A2610:a1:1014::6d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns73.ultradns.net
A156.154.65.73🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns73.ultradns.net
NSpdns73.ultradns.org ⚠️ Not in zone NS records
A2001:502:4612::6d🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns73.ultradns.org
A156.154.67.73🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns73.ultradns.org

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774362087

Same first word

firsthandworld.com

DNS History

17 records (6 active, 11 former)

20192020202120222023202420252026NSpdns73.ultradns.bizpdns73.ultradns.co.ukpdns73.ultradns.compdns73.ultradns.infopdns73.ultradns.netpdns73.ultradns.orgns77.domaincontrol.comns78.domaincontrol.comA184.168.221.3250.63.202.3350.63.202.3450.63.202.3550.63.202.3750.63.202.4250.63.202.4450.63.202.4550.63.202.58
○NSns77.domaincontrol.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○NSns78.domaincontrol.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
●NSpdns73.ultradns.biz2026-03-02 → 2026-03-24 · 3 obs
○ 2018-09-06 15:55:14
● 2026-03-02 20:00:58
● 2026-03-24 14:43:30
●NSpdns73.ultradns.co.uk2026-03-02 → 2026-03-24 · 3 obs
○ 2018-09-06 15:55:14
● 2026-03-02 20:00:58
● 2026-03-24 14:43:30
●NSpdns73.ultradns.com2026-03-02 → 2026-03-24 · 3 obs
○ 2018-09-06 15:55:14
● 2026-03-02 20:00:58
● 2026-03-24 14:43:30
●NSpdns73.ultradns.info2026-03-02 → 2026-03-24 · 3 obs
○ 2018-09-06 15:55:14
● 2026-03-02 20:00:58
● 2026-03-24 14:43:30
●NSpdns73.ultradns.net2026-03-02 → 2026-03-24 · 3 obs
○ 2018-09-06 15:55:14
● 2026-03-02 20:00:58
● 2026-03-24 14:43:30
●NSpdns73.ultradns.org2026-03-02 → 2026-03-24 · 3 obs
○ 2018-09-06 15:55:14
● 2026-03-02 20:00:58
● 2026-03-24 14:43:30
○A184.168.221.322018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.332018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.342018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.352018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.372018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.422018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.442018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.452018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30
○A50.63.202.582018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 15:55:14
○ 2026-03-02 20:00:58
○ 2026-03-24 14:43:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
firsthandworld.compdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz...2 records

✅ Authoritative Response

Server:156.154.68.73

NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz, pdns73.ultradns.info, pdns73.ultradns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firsthandworld.com (unsigned zone)

⏱️ Timing

Total: 361ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)

Analysis

Name Servers

firsthandworld.com is delegated to six name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.info, pdns73.ultradns.net, pdns73.ultradns.org and pdns73.ultradns.co.uk.

firsthandworld.com at least partially shares name servers with other domains, including unselfish-husband.com, espin.com, bwei2.com, welcome-past.pro and whatdoyouquit.com.

These name servers are commonly used with ns59.ultradns2.com and ns59.ultradns2.org.

Host names with two IP numbers:

Host pdns73.ultradns.biz points to 2610:a1:1015::6d and 156.154.66.73

Host pdns73.ultradns.com points to 2001:502:f3ff::6d and 156.154.64.73

Host pdns73.ultradns.info points to 2610:a1:1016::6d and 156.154.68.73

Host pdns73.ultradns.net points to 2610:a1:1014::6d and 156.154.65.73

Host pdns73.ultradns.org points to 2001:502:4612::6d and 156.154.67.73

Host pdns73.ultradns.co.uk points to 2610:a1:1017::6d and 156.154.69.73