f2e.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

f2e.dev

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSns53.domaincontrol.com
A2603:5:21a2::1b🇺🇸 GODADDY-DNS2603:5:21a0::/44
PTRns53.domaincontrol.com
A97.74.106.27🇺🇸 GODADDY-DNS97.74.106.0/23
PTRns53.domaincontrol.com
NSns54.domaincontrol.com
A2603:5:22a2::1b🇺🇸 GODADDY-DNS2603:5:22a0::/44
PTRns54.domaincontrol.com
A173.201.74.27🇺🇸 GODADDY-DNS173.201.74.0/23
PTRns54.domaincontrol.com
MXmx1.feishu.cn
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTverification-code-site-App_feishu=tghPfbrFGN5ynAkU06U9
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
SOAns53.domaincontrol.comdns@jomax.net 2026-09-04 #2

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

6 records (6 active, 0 former)

NSns53.domaincontrol.comns54.domaincontrol.comMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA76.76.21.21
NSns53.domaincontrol.com2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 21:15:30
● 2026-09-06 18:00:36
NSns54.domaincontrol.com2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 21:15:30
● 2026-09-06 18:00:36
MXmx1.feishu.cn2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 21:15:30
● 2026-09-06 18:00:36
MXmx2.feishu.cn2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 21:15:30
● 2026-09-06 18:00:36
MXmx3.feishu.cn2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 21:15:30
● 2026-09-06 18:00:36
A76.76.21.212026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 21:15:30
● 2026-09-06 18:00:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...-
f2e.devns53.domaincontrol.com, ns54.domaincontrol.com-

✅ Authoritative Response

Server:97.74.106.27

NS records: ns53.domaincontrol.com, ns54.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f2e.dev (unsigned zone)

⏱️ Timing

Total: 603ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS2ns53.domaincontrol.com, ns54.domaincontrol.com
MX3mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...
TXT2verification-code-site-App_feishu=tghPfb, v=spf1 +include:_netblocks.m.feishu.cn -
SOA1ns53.domaincontrol.com dns.jomax.net

Analysis

IP Addresses

f2e.dev points to a single IP number: 76.76.21.21.

Additional host names — hackmytravel.com, pmcycz.cn, garmeo.com and two others — share IP numbers with f2e.dev.

Name Servers

f2e.dev has two authoritative name servers — ns53.domaincontrol.com and ns54.domaincontrol.com.

f2e.dev shares its name server setup with other domains, including watching-order.com, nftmythosandlogos.com, bruleebrewcafe.ai and two others.

Both ns53.domaincontrol.com and ns54.domaincontrol.com have two IP addresses each. ns53.domaincontrol.com resolves to 97.74.106.27 and 2603:5:21a2::1b; ns54.domaincontrol.com resolves to 173.201.74.27 and 2603:5:22a2::1b.

Mail Servers

f2e.dev has three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

f2e.dev shares mail servers — at least in part — with other domains, including fenghuank.com, hulinyue.com, rakume.com and two others.

Host names with three IP numbers:

mx3.feishu.cn resolves to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers:

mx2.feishu.cn resolves to 101.126.58.225 and 122.14.229.0.

Host names pointing to a single IP address:

mx1.feishu.cn resolves to 52.220.106.220.

The host names mx3.feishu.cn and mx1.feishu.cn both resolve to 52.220.106.220 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 101.126.58.225 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 122.14.229.0 IP addresses.