WWW.RTSAK.COM - certusmail.com

Search for IP or hostnames:

certusmail.com checked at 2025-10-21T17:30:16.197Z 179ms 121/121/121 100% R:12

`certusmail.com`

NS	`ns1080.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5150:100 ^{🇩🇪 IONOS SE}
			PTR	`ns1080.ui-dns.biz`
		A	217.160.81.80^{🇩🇪 IONOS SE}
			PTR	`ns1080.ui-dns.biz`
NS	`ns1123.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:527b:100 ^{🇩🇪 IONOS SE}
			PTR	`ns1123.ui-dns.com`
		A	217.160.82.123^{🇩🇪 IONOS SE}
			PTR	`ns1123.ui-dns.com`
NS	`ns1019.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5013:100 ^{🇩🇪 IONOS SE}
			PTR	`ns1019.ui-dns.de`
		A	217.160.80.19^{🇩🇪 IONOS SE}
			PTR	`ns1019.ui-dns.de`
NS	`ns1126.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:537e:100 ^{🇩🇪 IONOS SE}
			PTR	`ns1126.ui-dns.org`
		A	217.160.83.126^{🇩🇪 IONOS SE}
			PTR	`ns1126.ui-dns.org`
MX	`certusmail-com.mail.protection.outlook.com`
		A	2a01:111:f403:ca34:: ^{🇳🇴 Microsoft}
			PTR	`mail-olap279cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:ca34::1 ^{🇳🇴 Microsoft}
			PTR	`mail-os6p279cu01301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca34::2 ^{🇳🇴 Microsoft}
			PTR	`mail-os5p279cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca36:: ^{🇳🇴 Microsoft}
			PTR	`mail-svzp279cu00100.inbound.protection.outlook.com`
		A	52.101.177.0^{🇳🇴 Microsoft}
			PTR	`mail-olap279cu00200.inbound.protection.outlook.com`
		A	52.101.177.1^{🇳🇴 Microsoft}
			PTR	`mail-os6p279cu01301.inbound.protection.outlook.com`
		A	52.101.177.2^{🇳🇴 Microsoft}
			PTR	`mail-os5p279cu00202.inbound.protection.outlook.com`
		A	52.101.179.0^{🇳🇴 Microsoft}
			PTR	`mail-svzp279cu00100.inbound.protection.outlook.com`
A	2607:f1c0:100f:f000::200 ^{🇺🇸 IONOS SE}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	74.208.236.103^{🇺🇸 IONOS SE}
		PTR	`74-208-236-103.elastic-ssl.ui-r.com`

`com`

	NS	`a.gtld-servers.net`
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`

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certusmail.com

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AI analysis

certusmail.com has two IP numbers: 2607:f1c0:100f:f000::200 and 74.208.236.103.

Other host names, for instance joinhw.com, naelb.net, lovesofar.net, yoffy.ru and indigotrade.co share IP numbers with certusmail.com.

certusmail.com delegates to four name servers: ns1080.ui-dns.biz, ns1123.ui-dns.com, ns1019.ui-dns.de and ns1126.ui-dns.org.

certusmail.com at least partially shares name servers with other domains, including connecth.com, cm-card.de, haus-veronika.net, skipdataentry.com and clauslanger.de.

These name servers are commonly used with ns1080.ui-dns.org, ns1126.ui-dns.biz, ns1126.ui-dns.com, ns1126.ui-dns.de, ns1080.ui-dns.com, ns1080.ui-dns.de, ns1123.ui-dns.biz, ns1123.ui-dns.de, ns1123.ui-dns.org and ns1019.ui-dns.biz.

Host names with two IP numbers: ns1080.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5150:100 and 217.160.81.80; ns1123.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:527b:100 and 217.160.82.123; ns1019.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5013:100 and 217.160.80.19; ns1126.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:537e:100 and 217.160.83.126.

A single mail server handles certusmail.com, certusmail-com.mail.protection.outlook.com.

Host certusmail-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca34::, 2a01:111:f403:ca34::1, 2a01:111:f403:ca34::2, 2a01:111:f403:ca36::, 52.101.177.0, 52.101.177.1, 52.101.177.2 and 52.101.179.0.

dbq