firstsing.info - dns.ninja

`firstsing.info`

DNSSEC	⚠️ Not signed
NS	`adam.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c136^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2136^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adam.ns.cloudflare.com`
		A	108.162.193.54^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	172.64.33.54^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	173.245.59.54^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
NS	`leah.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c081^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2081^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leah.ns.cloudflare.com`
		A	108.162.192.129^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	172.64.32.129^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	173.245.58.129^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
MX	`firstsing-info.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms48629565`
TXT	`MS=ms55764453`
TXT	`mscid=efWTmMh2ImarRCFgjod3Kri/PGwa8e6xBVR7Z5PAgIF2vwd0Hj4XHrGXEMHvUc8RuctA/S6...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`adam.ns.cloudflare.com`dns@cloudflare.com serial=2411619043

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1786482981

Same first word

firstsing.com

firstsing.cn

firstsing.info

Similar names

singfirst.com

firstsign.info

firstsign.com.hk

firstsign.com.cn

signfirst.de

firstsign.dk

signfirst.info

firstsign.org

firstsign.de

signfirst.eu

firstsign.nl

firstsign.com

firstings.com

signfirst.com

stringsfi.com

DNS History

14 records (3 active, 11 former)

●NSadam.ns.cloudflare.com2026-04-09 → 2026-08-11 · 3 obs

○ 2020-02-19 23:49:38
● 2026-04-09 18:50:38
● 2026-08-11 21:55:58

●NSleah.ns.cloudflare.com2026-04-09 → 2026-08-11 · 3 obs

○ 2020-02-19 23:49:38
● 2026-04-09 18:50:38
● 2026-08-11 21:55:58

○NSns1.bdm.microsoftonline.com2020-02-19 → 2020-02-19 · 4 obs

○ 2017-01-25 18:02:44
● 2020-02-19 23:49:38
○ 2026-04-09 18:50:38
○ 2026-08-11 21:55:58

○NSns2.bdm.microsoftonline.com2020-02-19 → 2020-02-19 · 4 obs

○ 2017-01-25 18:02:44
● 2020-02-19 23:49:38
○ 2026-04-09 18:50:38
○ 2026-08-11 21:55:58

○NSns3.bdm.microsoftonline.com2020-02-19 → 2020-02-19 · 4 obs

○ 2017-01-25 18:02:44
● 2020-02-19 23:49:38
○ 2026-04-09 18:50:38
○ 2026-08-11 21:55:58

○NSns4.bdm.microsoftonline.com2020-02-19 → 2020-02-19 · 4 obs

○ 2017-01-25 18:02:44
● 2020-02-19 23:49:38
○ 2026-04-09 18:50:38
○ 2026-08-11 21:55:58

○NSns77.domaincontrol.com2015-07-17 → 2017-01-25 · 4 obs

● 2015-07-17 01:03:00
● 2017-01-25 18:02:44
○ 2020-02-19 23:49:38
○ 2026-08-11 21:55:58

○NSns78.domaincontrol.com2015-07-17 → 2017-01-25 · 4 obs

● 2015-07-17 01:03:00
● 2017-01-25 18:02:44
○ 2020-02-19 23:49:38
○ 2026-08-11 21:55:58

●MXfirstsing-info.mail.protection.outlook.com2020-02-19 → 2026-08-11 · 3 obs

○ 2017-01-25 18:02:44
● 2020-02-19 23:49:38
● 2026-08-11 21:55:58

○MXmxn.mxhichina.com2015-07-17 → 2017-01-25 · 4 obs

● 2015-07-17 01:03:00
● 2017-01-25 18:02:44
○ 2020-02-19 23:49:38
○ 2026-08-11 21:55:58

○MXmxw.mxhichina.com2015-07-17 → 2017-01-25 · 4 obs

● 2015-07-17 01:03:00
● 2017-01-25 18:02:44
○ 2020-02-19 23:49:38
○ 2026-08-11 21:55:58

○A103.243.183.1032015-11-17 → 2016-04-29 · 5 obs

○ 2015-07-17 01:03:00
● 2015-11-17 05:31:18
● 2016-04-29 07:50:24
○ 2017-01-25 18:02:44
○ 2026-08-11 21:55:58

○A118.193.48.2452015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 01:03:00
○ 2015-11-17 05:31:18
○ 2026-08-11 21:55:58

○A43.249.29.1652017-01-25 → 2017-01-25 · 4 obs

○ 2016-04-29 07:50:24
● 2017-01-25 18:02:44
○ 2020-02-19 23:49:38
○ 2026-08-11 21:55:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	c0.info.afilias-nst.info, a0.info.afilias-nst.info, a2.info.afilias-nst.info	-
firstsing.info	adam.ns.cloudflare.com, leah.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.54

NS records: adam.ns.cloudflare.com, leah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstsing.info (unsigned zone)

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`adam.ns.cloudflare.com, leah.ns.cloudflare.com`
MX	1	`firstsing-info.mail.protection.outlook.c`
TXT	4	`MS=ms48629565, MS=ms55764453...`
SOA	1	`adam.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

firstsing.info is served by two delegated name servers, adam.ns.cloudflare.com and leah.ns.cloudflare.com.

firstsing.info has the same name server delegation as a number of other domains, such as appnapc.com, alternativadeguiasba.com, appchopc.com and two more.

firstsing.info shares at least some of its name servers with other domains, including back4app.ai, chatgptjailbreak.tech, kaisersysteme.eu and two others.

These name servers are frequently seen alongside the name servers sonia.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

adam.ns.cloudflare.com carries IP addresses 108.162.193.54, 172.64.33.54 and 173.245.59.54, with 3 other addresses beyond those.

leah.ns.cloudflare.com carries IP addresses 108.162.192.129, 172.64.32.129 and 173.245.58.129, with 3 other addresses beyond those.

Mail Servers

firstsing.info routes its mail through a single mail server, firstsing-info.mail.protection.outlook.com.

firstsing-info.mail.protection.outlook.com directs to 6 IP numbers, including 52.101.124.117, 52.101.137.0 and 52.101.157.80, along with 3 other.