ROBTEX.COM - csirc.irs.gov

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csirc.irs.gov checked at 2025-12-10T14:34:07.411Z 2142ms 100/100/100 100% R:10 allDone:true timedOut:false

csirc.irs.gov

MXemgc.irs.gov
A2610:30:2000:25::167🇺🇸 AS30313
PTRemgc.irs.gov
A152.216.11.139🇺🇸 AS30313
PTRemgc.irs.gov
MXemge.irs.gov
A2610:30:4000:25::167🇺🇸 AS30313
PTRemge.irs.gov
A152.216.7.167🇺🇸 AS30313
PTRemge.irs.gov
MXemgw.irs.gov
A2610:30:0:13::169🇺🇸 AS30313
PTRemgw.irs.gov
A152.216.13.169🇺🇸 AS30313
PTRemgw.irs.gov
NSns0036.secondary.cloudflare.com
A2606:4700:51::a29f:2025🇺🇸 Cloudflare
PTRns0036.secondary.cloudflare.com
A162.159.32.37 Cloudflare
PTRns0036.secondary.cloudflare.com
NSns0161.secondary.cloudflare.com
A2606:4700:59::a29f:2124🇺🇸 Cloudflare
PTRns0161.secondary.cloudflare.com
A162.159.33.36 Cloudflare
PTRns0161.secondary.cloudflare.com

irs.gov

MXemgc.irs.gov
MXemge.irs.gov
MXemgw.irs.gov
NSns0022.secondary.cloudflare.com
NSns0227.secondary.cloudflare.com
A2610:30:2000:402::110🇺🇸 AS30313
A2610:30:4000:402::110🇺🇸 AS30313
A152.216.7.110🇺🇸 AS30313
A152.216.11.110🇺🇸 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

Delegation for csirc.irs.gov rests with two name servers, ns0036.secondary.cloudflare.com and ns0161.secondary.cloudflare.com.

csirc.irs.gov shares the same name server setup as other domains, including no.irs.gov, in.irs.gov, fraud.irs.gov, mcc.irs.gov and 5.2.0.0.0.0.0.4.0.3.0.0.0.1.6.2.ip6.arpa.

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

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

Host names with two IP numbers: 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.

Two IP numbers per host:

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.