CF1764229139554-tsm20251126223807

WWW.RTSAK.COM - fastmail.cz

Search for IP or hostnames:

fastmail.cz checked at 2025-11-27T07:38:59.525Z 510ms 185/185/185 100% R:18 allDone:true timedOut:false

fastmail.cz

NSns2.gransy.com
A2001:19f0:6801:474:5400:1ff:fec5:8efb ๐Ÿ‡ซ๐Ÿ‡ท AS-VULTR
A2001:19f0:7401:81e0:5400:1ff:fec5:8ef6 ๐Ÿ‡ฌ๐Ÿ‡ง AS-VULTR
A95.179.192.121๐Ÿ‡ฌ๐Ÿ‡ง AS-VULTR
PTR95.179.192.121.vultrusercontent.com
A217.16.185.221๐Ÿ‡จ๐Ÿ‡ฟ VSHOSTING
PTRns2.gransy.com
A217.69.4.49๐Ÿ‡ซ๐Ÿ‡ท AS-VULTR
PTR217.69.4.49.vultrusercontent.com
NSns3.gransy.com
A2a02:750:7::2e7 ๐Ÿ‡ธ๐Ÿ‡ช GLESYS
PTR2a02-750-7--2e7-static.glesys.net
A2a02:750:8::32 ๐Ÿ‡ณ๐Ÿ‡ฑ GLESYS
PTR2a02-750-8--32-static.glesys.net
A46.21.100.103๐Ÿ‡ณ๐Ÿ‡ฑ GLESYS
PTR46-21-100-103-static.glesys.net
A77.78.126.35๐Ÿ‡จ๐Ÿ‡ฟ CASABLANCA-AS
A109.74.7.71๐Ÿ‡ธ๐Ÿ‡ช GLESYS
PTR109-74-7-71-static.glesys.net
NSns4.gransy.com
A2001:19f0:5401:69b:5400:1ff:fec5:8f3f ๐Ÿ‡บ๐Ÿ‡ธ AS-VULTR
A2a00:1a28:2010:1::89 ๐Ÿ‡ณ๐Ÿ‡ด GLESYS
PTR2a00-1a28-2010-1--89-static.glesys.net
A66.42.94.136๐Ÿ‡บ๐Ÿ‡ธ AS-VULTR
PTR66.42.94.136.vultrusercontent.com
A80.67.7.209๐Ÿ‡ณ๐Ÿ‡ด GLESYS
PTR80-67-7-209-static.glesys.net
NSns5.gransy.com
A2a02:750:5::538 ๐Ÿ‡ธ๐Ÿ‡ช GLESYS
PTR2a02-750-5--538-static.glesys.net
A31.192.227.223๐Ÿ‡ธ๐Ÿ‡ช GLESYS
PTR31-192-227-223-static.glesys.net
NSns.gransy.com
A2001:19f0:5001:1caf:5400:1ff:fec5:8d50 ๐Ÿ‡ณ๐Ÿ‡ฑ AS-VULTR
A45.76.90.43๐Ÿ‡ฉ๐Ÿ‡ช AS-VULTR
PTR45.76.90.43.vultrusercontent.com
A77.78.104.149๐Ÿ‡จ๐Ÿ‡ฟ CASABLANCA-AS
PTRns.gransy.com
A95.179.136.180๐Ÿ‡ณ๐Ÿ‡ฑ AS-VULTR
PTR95.179.136.180.vultrusercontent.com
MXaspmx.l.google.com
A2a00:1450:400c:c0b::1a ๐Ÿ‡ง๐Ÿ‡ช Google
PTRwa-in-f26.1e100.net
PTRwa-in-x1a.1e100.net
A108.177.15.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRwr-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:4013:c1e::1b ๐Ÿ‡ณ๐Ÿ‡ฑ Google
PTRyugrqzs-in-f27.1e100.net
A192.178.213.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRyugrqzs-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4025:c01::1a ๐Ÿ‡ต๐Ÿ‡ฑ Google
PTRrd-in-f26.1e100.net
A142.250.147.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRrd-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4010:c20::1b ๐Ÿ‡ซ๐Ÿ‡ฎ Google
PTRyulppbn-in-f27.1e100.net
A172.253.130.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRyulppbn-in-f26.1e100.net
MXalt4.aspmx.l.google.com
A2404:6800:4003:c06::1a ๐Ÿ‡ธ๐Ÿ‡ฌ Google
PTRsm-in-f26.1e100.net
A142.250.4.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRsm-in-f26.1e100.net
A87.236.195.142๐Ÿ‡จ๐Ÿ‡ฟ Coolhousing
PTRunassigned-87.236.195.142.coolhousing.net

cz

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Starts similarily

AI analysis

fastmail.cz is a parent of cz.fastmail.cz.

fastmail.cz points to a single IP number: 87.236.195.142.

fastmail.cz is delegated to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com and ns.gransy.com.

fastmail.cz at least partially shares name servers with other domains, for instance 4in.cz, retail.sk, gamestop.sk, 0x00.cz and sport-me.net.

Host names with five IP numbers:

ns2.gransy.com points to: 2001:19f0:6801:474:5400:1ff:fec5:8efb, 2001:19f0:7401:81e0:5400:1ff:fec5:8ef6, 95.179.192.121, 217.16.185.221 and 217.69.4.49.

ns3.gransy.com points to: 2a02:750:7::2e7, 2a02:750:8::32, 46.21.100.103, 77.78.126.35 and 109.74.7.71.

Host names with four IP numbers:

ns4.gransy.com points to: 2001:19f0:5401:69b:5400:1ff:fec5:8f3f, 2a00:1a28:2010:1::89, 66.42.94.136 and 80.67.7.209.

ns.gransy.com points to: 2001:19f0:5001:1caf:5400:1ff:fec5:8d50, 45.76.90.43, 77.78.104.149 and 95.179.136.180.

Host names with two IP numbers:

ns5.gransy.com points to: 2a02:750:5::538 and 31.192.227.223.

fastmail.cz is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

fastmail.cz shares mail servers with other domains at least in part, for instance marmaro.nyc, inspirenunavik.com, ipeco.com.ar, pendowealth.com and wheeltothestorm.com.

these mail servers are often used with aspmx3.googlemail.com and aspmx2.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2a00:1450:400c:c0b::1a and 108.177.15.27.

alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27.

alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1a and 142.250.147.27.

alt3.aspmx.l.google.com points to 2a00:1450:4010:c20::1b and 172.253.130.26.

alt4.aspmx.l.google.com points to 2404:6800:4003:c06::1a and 142.250.4.26.