jeffchen.us - robtex.com

jeffchen.us

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:27e3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9580🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.39.227Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.128🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchad.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A2803:f800:50::6ca2:c152🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchad.ns.cloudflare.com
A2a06:98c1:50::ac40:2152🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchad.ns.cloudflare.com
A108.162.193.82🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A172.64.33.82🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A173.245.59.82🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
NSsofia.ns.cloudflare.com
A2606:4700:50::adf5:3adf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsofia.ns.cloudflare.com
A2803:f800:50::6ca2:c0df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsofia.ns.cloudflare.com
A2a06:98c1:50::ac40:20df🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsofia.ns.cloudflare.com
A108.162.192.223🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsofia.ns.cloudflare.com
A172.64.32.223🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsofia.ns.cloudflare.com
A173.245.58.223🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsofia.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c07::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbc-in-f27.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4004:c25::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadtq-in-f27.1e100.net
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTv=spf1 +a +mx +ip4:208.94.37.4 include:relay.mailchannels.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.39.227, 172.67.149.128
IPv6 hints2606:4700:3032::6815:27e3, 2606:4700:3037::ac43:9580
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com
SOAchad.ns.cloudflare.comdns@cloudflare.com serial=2400686308

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1776096961

Same first word

jeffchen.net
jeffchen.com
jeffchen.org
jeffchen.us

Similar names

chenjeff.diskstation.me

DNS History

18 records (11 active, 7 former)

20192020202120222023202420252026NSchad.ns.cloudflare.comsofia.ns.cloudflare.comns1.lightningbase.comns2.lightningbase.comns3.lightningbase.comns4.lightningbase.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx1.lightningbase.commx2.lightningbase.comA104.21.39.227172.67.149.1282606:4700:3032::6815:27e32606:4700:3037::ac43:958069.175.60.154
●NSchad.ns.cloudflare.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
○NSns1.lightningbase.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00
○NSns2.lightningbase.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00
○NSns3.lightningbase.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00
○NSns4.lightningbase.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00
●NSsofia.ns.cloudflare.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●MXalt1.aspmx.l.google.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●MXalt2.aspmx.l.google.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●MXalt3.aspmx.l.google.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●MXalt4.aspmx.l.google.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●MXaspmx.l.google.com2026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
○MXmx1.lightningbase.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00
○MXmx2.lightningbase.com2018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00
●A104.21.39.2272026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●A172.67.149.1282026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●A2606:4700:3032::6815:27e32026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
●A2606:4700:3037::ac43:95802026-04-04 → 2026-04-13 · 3 obs
○ 2018-09-06 10:04:26
● 2026-04-04 01:24:08
● 2026-04-13 16:41:00
○A69.175.60.1542018-09-06 → 2018-09-06 · 3 obs
● 2018-09-06 10:04:26
○ 2026-04-04 01:24:08
○ 2026-04-13 16:41:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...-
jeffchen.ussofia.ns.cloudflare.com, chad.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.82

NS records: sofia.ns.cloudflare.com, chad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jeffchen.us (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.39.227, 172.67.149.128
AAAA22606:4700:3032::6815:27e3, 2606:4700:3037::ac43:9580
NS2chad.ns.cloudflare.com, sofia.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 +a +mx +ip4:208.94.37.4 include:r
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chad.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

jeffchen.us resolves to four IPs: 2606:4700:3032::6815:27e3, 2606:4700:3037::ac43:9580, 104.21.39.227 and 172.67.149.128.

Other host names, for instance dfd-group.com, img.mega-(0x706f726e)o.ru, malcontentboffin.com, 360idev.com and visietoday.nl share IP numbers with jeffchen.us.

Name Servers

jeffchen.us has two name servers: chad.ns.cloudflare.com and sofia.ns.cloudflare.com.

jeffchen.us shares the same name server setup as other domains, for example hirati.com, vocativ.com, crowndoors.com.au, sparc.co and marigoldcalifornia.com.

jeffchen.us shares some name servers with other domains, for example 22ta.com, wffc2013.com, justwhitehat.com, sendtheenterprise.org and rosnol.com.

These name servers are commonly used together with monroe.ns.cloudflare.com and nina.ns.cloudflare.com.

Host names with six IP numbers: chad.ns.cloudflare.com points to: 2606:4700:58::adf5:3b52, 2803:f800:50::6ca2:c152, 2a06:98c1:50::ac40:2152, 108.162.193.82, 172.64.33.82 and 173.245.59.82; sofia.ns.cloudflare.com points to: 2606:4700:50::adf5:3adf, 2803:f800:50::6ca2:c0df, 2a06:98c1:50::ac40:20df, 108.162.192.223, 172.64.32.223 and 173.245.58.223.

Mail Servers

jeffchen.us is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

jeffchen.us shares some mail servers with other domains, at least partially; for instance ns500841.ns500794.ns500794.ns500821.ns500795.ns500795.ns500794.ns500795.ns500821.ns500790.ns500795.lustypartnersfinder.com, ns500731.ns500671.ns500671.ns500742.ns500731.ns500754.ns500704.ns500671.ns500705.ns500688.ns500704.ns500705.ns500649.ns500666.tenderladiesbz.com, ns500699.ns500699.ns500693.ns500699.ns500693.ns500699.ns500699.ns500693.ns500683.ns500693.ns500632.ns500612.ns500612.ns500612.ns500110.dtrkdll.com, ns500699.ns500699.ns500693.ns500693.ns500734.ns500699.ns500699.ns500699.ns500699.ns500683.ns500683.ns500683.ns500588.ns500588.dtrkdll.com and ns500731.ns500731.ns500731.ns500671.ns500704.ns500671.ns500731.ns500704.ns500649.ns500678.ns500649.ns500649.ns500666.tenderladiesbz.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c07::1b and 192.178.155.27.

Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4004:c25::1b and 108.177.123.27.

Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4023:1015::1a and 172.253.135.27.

Host alt3.aspmx.l.google.com has IPs 2a00:1450:4009:c0f::1b and 192.178.223.26.

Host alt4.aspmx.l.google.com has IPs 2a00:1450:400c:c00::1b and 173.194.76.26.