MXLIST.NET - building21.com
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building21.com checked at 2025-11-29T04:03:25.580Z 300ms 119/119/119 100% R:18 allDone:true timedOut:false building21.com
| MX | building21.com | ||||||
| A | 192.232.251.62🇺🇸 EIGI | ||||||
| PTR | 192-232-251-62.unifiedlayer.com | ||||||
| MX | aspmx2.googlemail.com | ||||||
| A | 2a00:1450:400b:c02::1b 🇮🇪 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| A | 172.253.116.26🇺🇸 Google | ||||||
| PTR | dj-in-f26.1e100.net | ||||||
| MX | aspmx3.googlemail.com | ||||||
| A | 2a00:1450:400c:c00::1b 🇧🇪 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| PTR | ws-in-x1b.1e100.net | ||||||
| A | 173.194.76.27🇺🇸 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| NS | ns3473.hostgator.com | ||||||
| A | 50.87.144.79🇺🇸 EIGI | ||||||
| PTR | gator3061.hostgator.com | ||||||
| NS | ns3474.hostgator.com | ||||||
| A | 192.232.251.60🇺🇸 EIGI | ||||||
| PTR | 192-232-251-60.unifiedlayer.com | ||||||
| MX | aspmx.l.google.com | ||||||
| A | 2607:f8b0:4004:c09::1a 🇺🇸 Google | ||||||
| PTR | bh-in-f26.1e100.net | ||||||
| A | 142.251.167.27🇺🇸 Google | ||||||
| PTR | ww-in-f27.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com | ||||||
| A | 2a00:1450:400b:c02::1a 🇮🇪 Google | ||||||
| PTR | dj-in-f26.1e100.net | ||||||
| A | 172.253.116.27🇺🇸 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com | ||||||
| A | 2a00:1450:400c:c00::1b 🇧🇪 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| PTR | ws-in-x1b.1e100.net | ||||||
| A | 173.194.76.26🇺🇸 Google | ||||||
| PTR | ws-in-f26.1e100.net | ||||||
| A | 192.232.251.62🇺🇸 EIGI | ||||||
| PTR | 192-232-251-62.unifiedlayer.com | ||||||
com
MX for
building21.com |
Starts with same word
building21.com |
building21.de |
Starts similarily
building21.de |
building21.com |
building12.net |
AI analysis
building21.com serves as the mail server for building21.com.
aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx.l.google.com are commonly used as mail servers together with building21.com.
building21.com resolves to one IP number: 192.232.251.62.
Other host names, for instance tinta-fresca.com, migsworld.com, platform-five.com, mail.inbros.com.mx and mail.personaltouchparking.com share IP numbers with building21.com.
building21.com's delegation uses two name servers: ns3473.hostgator.com and ns3474.hostgator.com.
building21.com uses the same name server setup as other domains, such as proesmin.com, veggiebelly.com, yourstorybyus.com, ngos.org and mexi-canholidays.com.
Host names with a single IP address: ns3473.hostgator.com points to 50.87.144.79; ns3474.hostgator.com points to 192.232.251.60.
Six mail servers handle building21.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
building21.com shares at least some mail servers with other domains, for example jersey.com.mx, lordcustom.com, amberbit.com, globalchallenges.org and kortx.io.
these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2a00:1450:400b:c02::1b and 172.253.116.26.
aspmx3.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27.
aspmx.l.google.com points to: 2607:f8b0:4004:c09::1a and 142.251.167.27.
alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.27.
alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26.
Host names with one IP number:
building21.com points to: 192.232.251.62.
Host names that point to 2a00:1450:400c:c00::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com.