🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`origin.cgit.ntu.edu.sg`

DNSSEC	⚠️ Not signed
A	155.69.21.45^{🇸🇬 NTU-AS-AP155.69.0.0/16 Nanyang Technological University Universitiy C/- Centre for IT Services 50 Nanyang Avenue}
		PTR	`origin.cgit.ntu.edu.sg`

`cgit.ntu.edu.sg`

	DNSSEC	⚠️ Not signed
	NS	`ndc-hiddenmaster.ntu.edu.sg` ⭐
	NS	`ndc-dns-ext-01.ntu.edu.sg` ⚠️ Not in parent delegation
	NS	`sdc-dns-ext-02.ntu.edu.sg` ⚠️ Not in parent delegation
	NS	`secdns.cyberway.com.sg` ⚠️ Not in parent delegation
	NS	`secdns2.cyberway.com.sg` ⚠️ Not in parent delegation
	MX	`origin.cgit.ntu.edu.sg` ⭐
	SOA	`ndc-hiddenmaster.ntu.edu.sg`servicedesk@ntu.edu.sg serial=430592113

WOT: SAFE (82/100)
WOT: SAFE (92/100)

PTR for

45.21.69.155.in-addr.arpa

MX for

cgit.ntu.edu.sg

Same first word

origin.berlin

origin.bet

origin.guide

origin.ooo

origin.ch

origin.partners

origin.productions

origin.casa

origin.com.pk

origin.my.id

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origin.azure-api.net

origin.ventures

origin.win

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origin.1.azurestaticapps.net

origin.report

origin.com.ng

origin.nz

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origin.tv

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origin.watch

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origin.ae.org

origin.organic

origin.nu

origin.cafe

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origin.id

origin.ninja

origin.markets

origin.luxe

origin.gg

origin.cloud

origin.archi

origin.do

origin.holdings

origin.fo

origin.co.in

origin.7.azurestaticapps.net

origin.foundation

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DNS History

1 record (1 active, 0 former)

●A155.69.21.452017-03-25 → 2026-10-17 · 2 obs

● 2017-03-25 11:47:40
● 2026-10-17 15:33:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	ns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...	10 records
ntu.edu.sg	dnstex1.ntu.edu.sg, dnstex.ntu.edu.sg	2 records

✅ Authoritative Response

Server:155.69.254.5

NS records: dnstex1.ntu.edu.sg, dnstex.ntu.edu.sg

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ntu.edu.sg (unsigned zone)

⏱️ Timing

Total: 1117ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`155.69.21.45`

📌 Glue Records Collected

Total: 12

In-bailiwick: 10 (pch.sgzones.sg, pch.sgzones.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Mail Server Role

cgit.ntu.edu.sg uses origin.cgit.ntu.edu.sg as a mail server.

IP Addresses

origin.cgit.ntu.edu.sg resolves to one IP address: 155.69.21.45.

origin.cgit.ntu.edu.sg - robtex.com