office.us.org - robtex.com

office.us.org

DNSSEC⚠️ Not signed
NSbryce.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c89🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbryce.ns.cloudflare.com
A2803:f800:50::6ca2:c389🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbryce.ns.cloudflare.com
A2a06:98c1:50::ac40:2389🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbryce.ns.cloudflare.com
A108.162.195.137🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbryce.ns.cloudflare.com
A162.159.44.137Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbryce.ns.cloudflare.com
A172.64.35.137🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbryce.ns.cloudflare.com
NSfiona.ns.cloudflare.com
A2606:4700:50::adf5:3a9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfiona.ns.cloudflare.com
A2803:f800:50::6ca2:c09d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfiona.ns.cloudflare.com
A2a06:98c1:50::ac40:209d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfiona.ns.cloudflare.com
A108.162.192.157🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfiona.ns.cloudflare.com
A172.64.32.157🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfiona.ns.cloudflare.com
A173.245.58.157🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfiona.ns.cloudflare.com
SOAbryce.ns.cloudflare.comdns@cloudflare.com serial=2401426670

us.org

DNSSEC🔒 Signed (DS record present)
A54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix
NSns0.centralnic.net ⭐
NSns1.centralnic.net
NSns2.centralnic.net
NSns3.centralnic.net
NSns4.centralnic.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
MXaspmx3.googlemail.com(30)
MXaspmx4.googlemail.com(30)
MXaspmx5.googlemail.com(30)
TXTv=spf1 -all
SOAns0.centralnic.nethostmaster@centralnic.net serial=169818
⚠️ On DNS blocklist: tif
rank #892 globally
rank #116 in the tld
PASSWOT: SAFE (50/100)
📈 Tranco rank: #3,266

Same first word

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DNS History

2 records (2 active, 0 former)

NSbryce.ns.cloudflare.comfiona.ns.cloudflare.com
●NSbryce.ns.cloudflare.com2026-05-06 → 2026-05-09 · 2 obs
● 2026-05-06 22:52:30
● 2026-05-09 04:22:14
●NSfiona.ns.cloudflare.com2026-05-06 → 2026-05-09 · 2 obs
● 2026-05-06 22:52:30
● 2026-05-09 04:22:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
us.orgns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
office.us.orgbryce.ns.cloudflare.com, fiona.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.157

NS records: bryce.ns.cloudflare.com, fiona.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for office.us.org (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

TypeCountSample Data
NS2bryce.ns.cloudflare.com, fiona.ns.cloudflare.com
SOA1bryce.ns.cloudflare.com dns.cloudflare.c

Analysis

Name Servers

office.us.org's delegation uses two name servers, bryce.ns.cloudflare.com and fiona.ns.cloudflare.com.

office.us.org shares the same name server setup as other domains, for example coinbaze.world, bvba-mcm.be, line.uk.com, tradesynthiq-4.com and elo.hk.com.

office.us.org at least partially shares name servers with other domains, including fawnshort.com, construtorarazente.com.br, whitefeatherdiaries.org, rakyatpress.com and topvtt.com.

These name servers are often used together with gwen.ns.cloudflare.com.

Host names with six IP numbers:

bryce.ns.cloudflare.com points to: 2606:4700:58::a29f:2c89, 2803:f800:50::6ca2:c389, 2a06:98c1:50::ac40:2389, 108.162.195.137, 162.159.44.137 and 172.64.35.137.

fiona.ns.cloudflare.com points to: 2606:4700:50::adf5:3a9d, 2803:f800:50::6ca2:c09d, 2a06:98c1:50::ac40:209d, 108.162.192.157, 172.64.32.157 and 173.245.58.157.