IPLIST.NET - ns4-ext.irs.gov

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ns4-ext.irs.gov checked at 2025-10-06T21:12:04.430Z 906ms 37/37/37 100% R:8

`ns4-ext.irs.gov`

A	2610:30:2000:53::91 ^{🇺🇸 AS30313}
		PTR	`ns4-ext.irs.gov`
A	152.216.11.133^{🇺🇸 AS30313}
		PTR	`ns4-ext.irs.gov`

`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.

PTR for

133.11.216.152.in-addr.arpa

1.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.5.0.0.0.0.0.2.0.3.0.0.0.1.6.2.ip6.arpa

AI analysis

ns4-ext.irs.gov points to two IP numbers: 2610:30:2000:53::91 and 152.216.11.133.

dbq