WWW.RTSAK.COM - smtpu21.ha.org.hk

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smtpu21.ha.org.hk checked at 2025-10-21T18:12:47.620Z 493ms 26/26/26 100% R:14

`smtpu21.ha.org.hk`

	A	42.200.26.102^{🇭🇰 PCCW IMS}
			PTR	`smtpu21.ha.org.hk`

`ha.org.hk`

	NS	`ns15.imsbiz.com`
	NS	`ns1.ha.org.hk`
	NS	`ns2.ha.org.hk`
	MX	`smtpu11.ha.org.hk`
	MX	`smtpu21.ha.org.hk`
	MX	`smtpu31.ha.org.hk`
	MX	`smtpu41.ha.org.hk`

rank #54778 globally
rank #64 in the tld
This domain name belongs to the Hospital Authority of Hong Kong, a statutory body managing all the government hospitals and institutions in the region. The "ha" stands for Hospital Authority, indicating the organization's primary service. The ".org" suggests that it is an organization, while ".hk" is the country code top-level domain (ccTLD) for Hong Kong.

PTR for

102.26.200.42.in-addr.arpa

MX for

ha.org.hk

AI analysis

smtpu21.ha.org.hk is the mail server for ha.org.hk.

smtpu11.ha.org.hk, smtpu31.ha.org.hk and smtpu41.ha.org.hk are commonly used as mail servers alongside smtpu21.ha.org.hk.

smtpu21.ha.org.hk resolves to one IP number: 42.200.26.102.

dbq