🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stdtesting.sg`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:b47d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:53b5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.181^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.125^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`lars.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lars.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lars.ns.cloudflare.com`
		A	108.162.193.195^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	172.64.33.195^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	173.245.59.195^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
TXT	`google-site-verification=V_7fFr0XGGhQ-zgFoKoubw213L0Qb75ynYODwmS7VXc`
TXT	`google-site-verification=dqUedPhG6fY_5K0jPi4cL_WpoW8wg4wbSReMuD6pLPQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.181, 172.67.180.125
		IPv6 hints	2606:4700:3031::ac43:b47d, 2606:4700:3032::6815:53b5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2409448594

`sg`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ds.sgnic.sg` ⭐
	NS	`dsany2.sgnic.sg`
	NS	`dsany3.sgnic.sg`
	NS	`dsany4.sgnic.sg`
	NS	`ns4.apnic.net` ⚠️ Not in parent delegation
	NS	`pch.sgzones.sg`
	SOA	`ds.sgnic.sg`dna@sgnic.sg serial=2608251100

Previously MX for

stdtesting.sg

Same first word

stdtesting.com

stdtesting.us

stdtesting.me

stdtesting.sg

stdtesting.co.uk

stdtesting.net

Similar names

dtstesting.com

Previous names

stayprepared.sg

staywhere.sg

stbadmintonacademy.sg

stbooks.sg

stc.sg

stcar.sg

stcars.sg

stcc.sg

stclassified.sg

stclassifieds.sg

stcmi.sg

stcoop.sg

std.sg

stdalfour.sg

stdchecking.sg

stde.sg

stdirectoryedu.sg

stdirectoryhome.sg

stdtest.sg

Next names

stdtreatment.sg

steadfast.sg

steady.sg

steag.sg

steak.sg

steakout.sg

steakville.sg

steamarts.sg

steamcream.sg

steamsauna.sg

steed.sg

steel.sg

steelcase.sg

steer.sg

stefanel.sg

stego.sg

steinacher.sg

DNS History

16 records (6 active, 10 former)

●NSamber.ns.cloudflare.com2026-08-21 → 2026-08-25 · 3 obs

○ 2020-01-08 19:47:48
● 2026-08-21 13:49:54
● 2026-08-25 11:24:58

○NSdoug.ns.cloudflare.com2016-07-15 → 2020-01-08 · 5 obs

○ 2016-03-17 01:26:40
● 2016-07-15 08:02:02
● 2020-01-08 19:47:48
○ 2026-08-21 13:49:54
○ 2026-08-25 11:24:58

●NSlars.ns.cloudflare.com2026-08-21 → 2026-08-25 · 3 obs

○ 2020-01-08 19:47:48
● 2026-08-21 13:49:54
● 2026-08-25 11:24:58

○NSns1.zeusmicro.com2015-07-23 → 2016-03-17 · 4 obs

● 2015-07-23 18:42:48
● 2016-03-17 01:26:40
○ 2016-07-15 08:02:02
○ 2026-08-25 11:24:58

○NSns2.zeusmicro.com2015-07-23 → 2016-03-17 · 4 obs

● 2015-07-23 18:42:48
● 2016-03-17 01:26:40
○ 2016-07-15 08:02:02
○ 2026-08-25 11:24:58

○NSsofia.ns.cloudflare.com2016-07-15 → 2020-01-08 · 5 obs

○ 2016-03-17 01:26:40
● 2016-07-15 08:02:02
● 2020-01-08 19:47:48
○ 2026-08-21 13:49:54
○ 2026-08-25 11:24:58

○MXstdtesting.sg2015-07-23 → 2016-03-17 · 4 obs

● 2015-07-23 18:42:48
● 2016-03-17 01:26:40
○ 2016-07-15 08:02:02
○ 2026-08-25 11:24:58

●A104.21.83.1812026-08-21 → 2026-08-25 · 3 obs

○ 2020-01-08 19:47:48
● 2026-08-21 13:49:54
● 2026-08-25 11:24:58

○A104.31.68.912016-07-15 → 2020-01-08 · 5 obs

○ 2016-03-17 01:26:40
● 2016-07-15 08:02:02
● 2020-01-08 19:47:48
○ 2026-08-21 13:49:54
○ 2026-08-25 11:24:58

○A104.31.69.912016-07-15 → 2020-01-08 · 5 obs

○ 2016-03-17 01:26:40
● 2016-07-15 08:02:02
● 2020-01-08 19:47:48
○ 2026-08-21 13:49:54
○ 2026-08-25 11:24:58

●A172.67.180.1252026-08-21 → 2026-08-25 · 3 obs

○ 2020-01-08 19:47:48
● 2026-08-21 13:49:54
● 2026-08-25 11:24:58

○A2400:cb00:2048:1::681f:445b2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-15 08:02:02
● 2017-02-18 07:25:14
○ 2020-01-08 19:47:48
○ 2026-08-25 11:24:58

○A2400:cb00:2048:1::681f:455b2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-15 08:02:02
● 2017-02-18 07:25:14
○ 2020-01-08 19:47:48
○ 2026-08-25 11:24:58

●A2606:4700:3031::ac43:b47d2026-08-21 → 2026-08-25 · 3 obs

○ 2020-01-08 19:47:48
● 2026-08-21 13:49:54
● 2026-08-25 11:24:58

●A2606:4700:3032::6815:53b52026-08-21 → 2026-08-25 · 3 obs

○ 2020-01-08 19:47:48
● 2026-08-21 13:49:54
● 2026-08-25 11:24:58

○A54.169.73.672015-07-23 → 2016-03-17 · 4 obs

● 2015-07-23 18:42:48
● 2016-03-17 01:26:40
○ 2016-07-15 08:02:02
○ 2026-08-25 11:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	dsany2.sgnic.sg, dsany3.sgnic.sg, pch.sgzones.sg, dsany4.sgnic.sg	-
stdtesting.sg	lars.ns.cloudflare.com, amber.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.195

NS records: lars.ns.cloudflare.com, amber.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at sg: Error: DNS query timeout: 185.159.197.170 for DNSKEY sg

⏱️ Timing

Total: 3458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.181, 172.67.180.125`
AAAA	2	`2606:4700:3031::ac43:b47d, 2606:4700:3032::6815:53b5`
NS	2	`amber.ns.cloudflare.com, lars.ns.cloudflare.com`
TXT	2	`google-site-verification=V_7fFr0XGGhQ-zg, google-site-verification=dqUedPhG6fY_5K0`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

stdtesting.sg resolves to four IP addresses: 104.21.83.181, 172.67.180.125, 2606:4700:3031::ac43:b47d and 2606:4700:3032::6815:53b5.

www.textsymbols.net, talladega.com, cpi.com.pl plus two other host names have IP numbers in common with stdtesting.sg.

Name Servers

Two name servers handle the delegation for stdtesting.sg: amber.ns.cloudflare.com and lars.ns.cloudflare.com.

The name server configuration of stdtesting.sg is shared with other domains, for instance herpes.sg, nationalparks.org, paquete-qv.com and two others.

stdtesting.sg partially shares its NS delegation with several other domains, including ferienhausmvidyll.de, pnwbd.org, ryanfang.com and two others.

These name servers often co-occur with the name servers neil.ns.cloudflare.com.

Hosts with 6 IP addresses each:

amber.ns.cloudflare.com resolves to 108.162.192.64, 172.64.32.64 and 173.245.58.64 among others, with 3 other IP addresses in total.

lars.ns.cloudflare.com resolves to 108.162.193.195, 172.64.33.195 and 173.245.59.195 among others, with 3 other IP addresses in total.

stdtesting.sg - robtex.com

stdtesting.sg

sg

Previously MX for

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`stdtesting.sg`

`sg`