cu.sg - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

cu.sg

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3824Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::ac43:b06aCloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.56.36Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.176.106Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSdiva.ns.cloudflare.com ⭐
NSrene.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c08::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbi-in-f26.1e100.net
A2607:f8b0:4004:c08::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbi-in-f27.1e100.net
A2607:f8b0:4004:c0b::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbj-in-f26.1e100.net
A2607:f8b0:4004:c0b::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A172.253.62.26πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f26.1e100.net
A172.253.62.27πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f27.1e100.net
A172.253.139.26πŸ‡ΊπŸ‡Έ Google172.253.139.0/24
PTRyuiadsk-in-f26.1e100.net
A192.178.155.26πŸ‡ΊπŸ‡Έ Google192.178.155.0/24
PTRyuiadrs-in-f26.1e100.net
A192.178.155.27πŸ‡ΊπŸ‡Έ Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
TXTgoogle-site-verification=EEdaUpH8dNH7bN1s_dQvbOnuTSefWotsDTZa0x0NHCc
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.56.36, 172.67.176.106
IPv6 hints2606:4700:3034::6815:3824, 2606:4700:3037::ac43:b06a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com
SOAdiva.ns.cloudflare.comdns@cloudflare.com serial=2416812410

sg

DNSSECπŸ”’ Signed (DS record present)
NSds.sgnic.sg ⭐
NSdsany2.sgnic.sg
NSdsany3.sgnic.sg
NSdsany4.sgnic.sg
NSns4.apnic.net ⚠️ Not in parent delegation
NSpch.sgzones.sg
SOAds.sgnic.sgdna@sgnic.sg serial=2610192030

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSdiva.ns.cloudflare.comrene.ns.cloudflare.comMXsmtp.google.comA104.21.56.36172.67.176.1062606:4700:3034::6815:38242606:4700:3037::ac43:b06a
●NSdiva.ns.cloudflare.com2026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46
●NSrene.ns.cloudflare.com2026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46
●MXsmtp.google.com2026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46
●A104.21.56.362026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46
●A172.67.176.1062026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46
●A2606:4700:3034::6815:38242026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46
●A2606:4700:3037::ac43:b06a2026-08-31 β†’ 2026-10-19 Β· 2 obs
● 2026-08-31 13:03:14
● 2026-10-19 21:08:46

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
sgpch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg-
cu.sgdiva.ns.cloudflare.com, rene.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.192.97

NS records: diva.ns.cloudflare.com, rene.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1315ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.176.106, 104.21.56.36
AAAA22606:4700:3034::6815:3824, 2606:4700:3037::ac43:b06a
NS2diva.ns.cloudflare.com, rene.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT2google-site-verification=EEdaUpH8dNH7bN1, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1diva.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

cu.sg points to the four IP addresses 104.21.56.36, 172.67.176.106, 2606:4700:3034::6815:3824 and 2606:4700:3037::ac43:b06a.

Name Servers

DNS delegation for cu.sg points to two name servers: diva.ns.cloudflare.com and rene.ns.cloudflare.com.

Mail Servers

cu.sg routes its mail through a single mail server, smtp.google.com.

smtp.google.com directs to 9 IP numbers, including 172.253.62.26, 172.253.62.27 and 172.253.139.26, along with 6 other.