knowzip.com - robtex.com

knowzip.com

DNSSEC⚠️ Not signed
NSns1.nbcuni.com ⭐
A2001:502:f3ff::31🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRns1.nbcuni.com
A156.154.64.31🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRns1.nbcuni.com
NSns2.nbcuni.com
A2610:a1:1014::31🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRns2.nbcuni.com
A156.154.65.31🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRns2.nbcuni.com
NSns3.nbcuni.com
A2610:a1:1015::31🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRns3.nbcuni.com
A156.154.66.31🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRns3.nbcuni.com
NSns4.nbcuni.com
A2001:502:4612::31🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRns4.nbcuni.com
A156.154.67.31🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRns4.nbcuni.com
NSns5.nbcuni.com
A2610:a1:1016::31🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRns5.nbcuni.com
A156.154.68.31🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRns5.nbcuni.com
NSns6.nbcuni.com
A2610:a1:1017::31🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRns6.nbcuni.com
A156.154.69.31🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRns6.nbcuni.com
TXTv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
SOAns1.nbcuni.comdomain\@admin.nbcuni.com 2024-09-12 #4

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=1776100932

Same first word

knowzip.com

DNS History

6 records (6 active, 0 former)

NSns1.nbcuni.comns2.nbcuni.comns3.nbcuni.comns4.nbcuni.comns5.nbcuni.comns6.nbcuni.com
●NSns1.nbcuni.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 14:51:16
● 2026-04-13 17:30:50
●NSns2.nbcuni.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 14:51:16
● 2026-04-13 17:30:50
●NSns3.nbcuni.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 14:51:16
● 2026-04-13 17:30:50
●NSns4.nbcuni.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 14:51:16
● 2026-04-13 17:30:50
●NSns5.nbcuni.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 14:51:16
● 2026-04-13 17:30:50
●NSns6.nbcuni.com2026-03-08 → 2026-04-13 · 2 obs
● 2026-03-08 14:51:16
● 2026-04-13 17:30:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
knowzip.comns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...6 records

✅ Authoritative Response

Server:156.154.67.31

NS records: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowzip.com (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

TypeCountSample Data
NS6ns1.nbcuni.com, ns2.nbcuni.com...
TXT1v=spf1 include:%{ir}.%{v}.%{d}.spf.has.p
SOA1ns1.nbcuni.com domain\.admin.nbcuni.com

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com...)

Analysis

Name Servers

knowzip.com is delegated to six name servers: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com and ns6.nbcuni.com.

knowzip.com partially shares name servers with other domains; examples include tvbybravo.com, themomentmovie.com, nbcsandiegoweatherplus.com, fastxmovie.co.uk and thegreatwall.at.

Host names with two IP numbers:

ns1.nbcuni.com points to: 2001:502:f3ff::31 and 156.154.64.31.

ns2.nbcuni.com points to: 2610:a1:1014::31 and 156.154.65.31.

ns3.nbcuni.com points to: 2610:a1:1015::31 and 156.154.66.31.

ns4.nbcuni.com points to: 2001:502:4612::31 and 156.154.67.31.

ns5.nbcuni.com points to: 2610:a1:1016::31 and 156.154.68.31.

ns6.nbcuni.com points to: 2610:a1:1017::31 and 156.154.69.31.