nbtengfeng.com - robtex.com

nbtengfeng.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1ce5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:93c3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.229Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.195🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdorthy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
NSrayden.ns.cloudflare.com
A2606:4700:58::a29f:2ca3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A2803:f800:50::6ca2:c3a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrayden.ns.cloudflare.com
A2a06:98c1:50::ac40:23a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrayden.ns.cloudflare.com
A108.162.195.163🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A162.159.44.163Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A172.64.35.163🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.229, 172.67.147.195
IPv6 hints2606:4700:3032::6815:1ce5, 2606:4700:3034::ac43:93c3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=179, name=cloudflare-ech.com
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2410115752

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=1785709432

Subdomains

mail.nbtengfeng.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSdorthy.ns.cloudflare.comrayden.ns.cloudflare.commain2.ns365.netns5.gzidc.comns6.gzidc.comMXmail.nbtengfeng.comA104.21.28.229172.67.147.1952606:4700:3032::6815:1ce52606:4700:3034::ac43:93c3127.0.0.1
●NSdorthy.ns.cloudflare.com2026-08-02 → 2026-08-02 · 2 obs
○ 2018-12-23 07:40:54
● 2026-08-02 22:33:22
○NSmain2.ns365.net2017-02-19 → 2017-02-19 · 4 obs
○ 2016-06-18 06:43:00
● 2017-02-19 18:43:38
○ 2018-12-23 07:40:54
○ 2026-08-02 22:33:22
○NSns5.gzidc.com2015-07-19 → 2017-02-19 · 6 obs
● 2015-07-19 17:06:48
● 2016-03-03 04:00:38
○ 2016-06-18 06:43:00
● 2017-02-19 18:43:38
○ 2018-12-23 07:40:54
○ 2026-08-02 22:33:22
○NSns6.gzidc.com2015-07-19 → 2017-02-19 · 6 obs
● 2015-07-19 17:06:48
● 2016-03-03 04:00:38
○ 2016-06-18 06:43:00
● 2017-02-19 18:43:38
○ 2018-12-23 07:40:54
○ 2026-08-02 22:33:22
●NSrayden.ns.cloudflare.com2026-08-02 → 2026-08-02 · 2 obs
○ 2018-12-23 07:40:54
● 2026-08-02 22:33:22
○MXmail.nbtengfeng.com2015-07-19 → 2016-03-03 · 4 obs
● 2015-07-19 17:06:48
● 2016-03-03 04:00:38
○ 2016-06-18 06:43:00
○ 2026-08-02 22:33:22
●A104.21.28.2292026-08-02 → 2026-08-02 · 2 obs
○ 2016-06-18 06:43:00
● 2026-08-02 22:33:22
○A127.0.0.12015-07-19 → 2016-03-03 · 4 obs
● 2015-07-19 17:06:48
● 2016-03-03 04:00:38
○ 2016-06-18 06:43:00
○ 2026-08-02 22:33:22
●A172.67.147.1952026-08-02 → 2026-08-02 · 2 obs
○ 2016-06-18 06:43:00
● 2026-08-02 22:33:22
●A2606:4700:3032::6815:1ce52026-08-02 → 2026-08-02 · 2 obs
○ 2016-06-18 06:43:00
● 2026-08-02 22:33:22
●A2606:4700:3034::ac43:93c32026-08-02 → 2026-08-02 · 2 obs
○ 2016-06-18 06:43:00
● 2026-08-02 22:33:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net...-
nbtengfeng.comdorthy.ns.cloudflare.com, rayden.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.249

NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nbtengfeng.com (unsigned zone)

⏱️ Timing

Total: 58ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.147.195, 104.21.28.229
AAAA22606:4700:3034::ac43:93c3, 2606:4700:3032::6815:1ce5
NS2dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dorthy.ns.cloudflare.com, dorthy.ns.cloudflare.com, dorthy.ns.cloudflare.com...)

Analysis

Hierarchy

The domain mail.nbtengfeng.com falls under the parent nbtengfeng.com.

IP Addresses

nbtengfeng.com points to the four IP addresses 104.21.28.229, 172.67.147.195, 2606:4700:3032::6815:1ce5 and 2606:4700:3034::ac43:93c3.

Additional host names — halaalafrica.co.za, spin7.icu, 6c.sizkkopz.com and two others — share IP numbers with nbtengfeng.com.

Name Servers

nbtengfeng.com has two authoritative name servers — dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

nbtengfeng.com shares its name server setup with other domains, including hoteleng.net, 100may.com, dingshengcaifu.com and two others.

At least some of nbtengfeng.com's name servers are shared with other domains, for example satish.blog, sosmamasbaleares.com, housepaintingmckinney.com and two more.

These name servers tend to be deployed in combination with the name servers abdullah.ns.cloudflare.com and jen.ns.cloudflare.com.

Host names with 6 IP numbers:

dorthy.ns.cloudflare.com points to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 other IP addresses.

rayden.ns.cloudflare.com points to 108.162.195.163, 162.159.44.163, 172.64.35.163 and 3 other IP addresses.