MXLIST.NET - qr.dev
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qr.dev checked at 2025-10-25T05:32:56.847Z 128ms 102/102/102 100% R:11qr.dev
| MX | mail.protonmail.ch | ||||||
| A | 176.119.200.128๐จ๐ญ Proton AG | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.70.42.128๐จ๐ญ Proton AG | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.205.70.128๐ซ๐ท Proton AG | ||||||
| PTR | mail.protonmail.ch | ||||||
| MX | mailsec.protonmail.ch | ||||||
| A | 176.119.200.129๐จ๐ญ Proton AG | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.70.42.129๐จ๐ญ Proton AG | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.205.70.129๐ซ๐ท Proton AG | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| NS | ns1.qr.dev | ||||||
| A | 2600:9000:5303:2600::1 ๐บ๐ธ Amazon | ||||||
| PTR | ns-806.awsdns-36.net | ||||||
| A | 205.251.195.38๐บ๐ธ Amazon | ||||||
| PTR | ns-806.awsdns-36.net | ||||||
| NS | ns2.qr.dev | ||||||
| A | 2600:9000:5307:9200::1 ๐บ๐ธ Amazon | ||||||
| PTR | ns-1938.awsdns-50.co.uk | ||||||
| A | 205.251.199.146๐บ๐ธ Amazon | ||||||
| PTR | ns-1938.awsdns-50.co.uk | ||||||
| NS | ns3.qr.dev | ||||||
| A | 2600:9000:5304:e100::1 ๐บ๐ธ Amazon | ||||||
| PTR | ns-1249.awsdns-28.org | ||||||
| A | 205.251.196.225๐บ๐ธ Amazon | ||||||
| PTR | ns-1249.awsdns-28.org | ||||||
| NS | ns4.qr.dev | ||||||
| A | 2600:9000:5301:b400::1 ๐บ๐ธ Amazon | ||||||
| PTR | ns-436.awsdns-54.com | ||||||
| A | 205.251.193.180๐บ๐ธ Amazon | ||||||
| PTR | ns-436.awsdns-54.com | ||||||
dev
| NS | ns-tld1.charlestonroadregistry.com | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
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AI analysis
qr.dev is a parent of ns3.qr.dev, ns1.qr.dev, ns2.qr.dev and ns4.qr.dev.
qr.dev is delegated to four name servers: ns1.qr.dev, ns2.qr.dev, ns3.qr.dev and ns4.qr.dev.
Host names with two IP numbers:
ns1.qr.dev points to 2600:9000:5303:2600::1 and 205.251.195.38; ns2.qr.dev points to 2600:9000:5307:9200::1 and 205.251.199.146; ns3.qr.dev points to 2600:9000:5304:e100::1 and 205.251.196.225; ns4.qr.dev points to 2600:9000:5301:b400::1 and 205.251.193.180.
Two mail servers handle qr.dev: mail.protonmail.ch and mailsec.protonmail.ch.
qr.dev shares the same mail server setup as other domains, for instance got.am, chrisnicholas.io, lmail.es, redandgold.com and coingun.com.
qr.dev shares some mail servers with other domains, at least partially, for instance bykrs.com, creativeobjects.net, fossler.co, wethersfieldinstitute.com and horizonmapping.com.
Host names with three IPs:
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128.
mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.