WWW.RTSAK.COM - csirc.irs.gov

Search for IP or hostnames:

csirc.irs.gov checked at 2025-09-30T05:44:00.277Z 227ms 100/100/100 100% R:12

`csirc.irs.gov`

MX	`emgc.irs.gov`
		A	2610:30:2000:25::167 ^{🇺🇸 AS30313}
			PTR	`emgc.irs.gov`
		A	152.216.11.139^{🇺🇸 AS30313}
			PTR	`emgc.irs.gov`
MX	`emge.irs.gov`
		A	2610:30:4000:25::167 ^{🇺🇸 AS30313}
			PTR	`emge.irs.gov`
		A	152.216.7.167^{🇺🇸 AS30313}
			PTR	`emge.irs.gov`
MX	`emgw.irs.gov`
		A	2610:30:0:13::169 ^{🇺🇸 AS30313}
			PTR	`emgw.irs.gov`
		A	152.216.13.169^{🇺🇸 AS30313}
			PTR	`emgw.irs.gov`
NS	`ns0036.secondary.cloudflare.com`
		A	2606:4700:51::a29f:2025 ^{🇺🇸 Cloudflare}
			PTR	`ns0036.secondary.cloudflare.com`
		A	162.159.32.37^Cloudflare
			PTR	`ns0036.secondary.cloudflare.com`
NS	`ns0161.secondary.cloudflare.com`
		A	2606:4700:59::a29f:2124 ^{🇺🇸 Cloudflare}
			PTR	`ns0161.secondary.cloudflare.com`
		A	162.159.33.36^Cloudflare
			PTR	`ns0161.secondary.cloudflare.com`

`irs.gov`

	MX	`emgc.irs.gov`
	MX	`emge.irs.gov`
	MX	`emgw.irs.gov`
	NS	`ns0022.secondary.cloudflare.com`
	NS	`ns0227.secondary.cloudflare.com`
	A	2610:30:2000:402::110 ^{🇺🇸 AS30313}
	A	2610:30:4000:402::110 ^{🇺🇸 AS30313}
	A	152.216.7.110^{🇺🇸 AS30313}
	A	152.216.11.110^{🇺🇸 AS30313}

rank #417 globally
rank #16 in the tld
This domain name represents the official website of the Internal Revenue Service (IRS), the U.S. government agency responsible for tax collection and tax law enforcement. The website provides information about tax laws, forms, and guidance for individuals, businesses, and tax professionals. It also provides online services for filing taxes and making payments.

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AI analysis

Two name servers ns0036.secondary.cloudflare.com and ns0161.secondary.cloudflare.com are delegated to csirc.irs.gov.

csirc.irs.gov uses the same name server configuration as other domains, such as no.irs.gov, in.irs.gov, fraud.irs.gov, mcc.irs.gov and ci.irs.gov.

csirc.irs.gov at least partially shares name servers with other domains such as timacagro.es, timacagro.pt, timacagro.pl, timacagro.lt and leguillou.biz.

These name servers are commonly used with ns0172.secondary.cloudflare.com, ns0004.secondary.cloudflare.com, ns0209.secondary.cloudflare.com and ns0210.secondary.cloudflare.com.

Host names with two IPs:

ns0036.secondary.cloudflare.com points to 2606:4700:51::a29f:2025 and 162.159.32.37.

ns0161.secondary.cloudflare.com points to 2606:4700:59::a29f:2124 and 162.159.33.36.

csirc.irs.gov is handled by three mail servers: emgc.irs.gov, emge.irs.gov and emgw.irs.gov.

csirc.irs.gov shares mail servers with other domains at least in part, for instance mtb0120ccgcache1.mcc.irs.gov, proxy.web.irs.gov, gdi.web.irs.gov, is.irs.gov and mysbse.web.irs.gov.

Host names with two IP numbers:

emgc.irs.gov points to 2610:30:2000:25::167 and 152.216.11.139.

emge.irs.gov points to 2610:30:4000:25::167 and 152.216.7.167.

emgw.irs.gov points to 2610:30:0:13::169 and 152.216.13.169.

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