mail.rsfbc.com - robtex.com

mail.rsfbc.com

CNAMEtraff-https.hugedomains.com
CNAMEhdl-prd-https-0699149ba9be518e.elb.us-east-1.amazonaws.com
DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix

rsfbc.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
NSnsg1.namebrightdns.com
NSnsg2.namebrightdns.com
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
TXTv=spf1 -all
SOAns1.namebrightdns.comdns@namebright.com 2026-03-26 #1

Previously MX for

rsfbc.com

Same first word

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mail.in-berlin.de
mail.no-ip.biz
mail.host
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mail.wf
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mail.uy

DNS History

8 records (7 active, 1 former)

2017201820192020202120222023202420252026NSnsg1.namebrightdns.comnsg2.namebrightdns.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.19723.247.101.7CNAMEtraff-https.hugedomains.com
●NSnsg1.namebrightdns.com2026-03-26 → 2026-03-26 · 1 obs
● 2026-03-26 15:22:32
●NSnsg2.namebrightdns.com2026-03-26 → 2026-03-26 · 1 obs
● 2026-03-26 15:22:32
●A13.223.25.842026-03-26 → 2026-03-26 · 2 obs
○ 2016-03-31 16:42:40
● 2026-03-26 15:22:32
○A23.247.101.72016-03-31 → 2016-03-31 · 2 obs
● 2016-03-31 16:42:40
○ 2026-03-26 15:22:32
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-26 → 2026-03-26 · 2 obs
○ 2016-03-31 16:42:40
● 2026-03-26 15:22:32
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-26 → 2026-03-26 · 2 obs
○ 2016-03-31 16:42:40
● 2026-03-26 15:22:32
●A54.243.117.1972026-03-26 → 2026-03-26 · 2 obs
○ 2016-03-31 16:42:40
● 2026-03-26 15:22:32
●CNAMEtraff-https.hugedomains.com2026-03-26 → 2026-03-26 · 1 obs
● 2026-03-26 15:22:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...-
rsfbc.comnsg1.namebrightdns.com, nsg2.namebrightdns.com22 records

✅ Authoritative Response

Server:13.221.125.168

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsfbc.com (unsigned zone)

⏱️ Timing

Total: 85ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee
NS2nsg1.namebrightdns.com, nsg2.namebrightdns.com
CNAME1traff-https.hugedomains.com

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

mail.rsfbc.com points to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance bigip-dmz.playcum.com, moringaindia.com, estline.com, eghsrhc.ias3.com and deadlineclub.com share IP numbers with mail.rsfbc.com.