IPLIST.NET - postmasterclass.com
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postmasterclass.com checked at 2025-10-17T21:30:19.753Z 484ms 100/100/100 100% R:14postmasterclass.com
| NS | sdns34.ultradns.biz | ||||||
| A | 2610:a1:1003::22 🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.biz | ||||||
| A | 156.154.142.34🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.biz | ||||||
| NS | sdns34.ultradns.com | ||||||
| A | 2610:a1:1001::22 🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.com | ||||||
| A | 156.154.140.34🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.com | ||||||
| NS | sdns34.ultradns.net | ||||||
| A | 2610:a1:1002::22 🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.net | ||||||
| A | 156.154.141.34🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.net | ||||||
| NS | sdns34.ultradns.org | ||||||
| A | 2610:a1:1004::22 🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.org | ||||||
| A | 156.154.143.34🇺🇸 Neustar | ||||||
| PTR | sdns34.ultradns.org | ||||||
| MX | mxa-001a3c01.gslb.pphosted.com | ||||||
| A | 67.231.148.195🇺🇸 Proofpoint | ||||||
| PTR | mx0a-001a3c01.pphosted.com | ||||||
| MX | mxb-001a3c01.gslb.pphosted.com | ||||||
| A | 67.231.153.114🇺🇸 Proofpoint | ||||||
| PTR | mx0b-001a3c01.pphosted.com | ||||||
| A | 174.129.15.191🇺🇸 Amazon | ||||||
| PTR | ec2-174-129-15-191.compute-1.amazonaws.com | ||||||
com
Starts with same word
postmasterclass.com |
Starts similarily
postmasterclass.com |
masterclasspost.com |
AI analysis
postmasterclass.com points to a single IP: 174.129.15.191.
Other host names, for instance ec2-174-129-15-191.compute-1.amazonaws.com, share IP numbers with postmasterclass.com.
postmasterclass.com is delegated to four name servers: sdns34.ultradns.biz, sdns34.ultradns.com, sdns34.ultradns.net and sdns34.ultradns.org.
postmasterclass.com at least partially shares its name servers with other domains, for instance servicealley.com, thelily.com, shopdcmagazine.com, shopdc.com and digitalink.com.
Host names with two IPs: sdns34.ultradns.biz points to 2610:a1:1003::22 and 156.154.142.34; sdns34.ultradns.com points to 2610:a1:1001::22 and 156.154.140.34; sdns34.ultradns.net points to 2610:a1:1002::22 and 156.154.141.34; sdns34.ultradns.org points to 2610:a1:1004::22 and 156.154.143.34.
Two mail servers mxa-001a3c01.gslb.pphosted.com and mxb-001a3c01.gslb.pphosted.com handle postmasterclass.com.
postmasterclass.com uses the same mail server setup as other domains such as digitalink.com, wecasa.com, e.washingtonpost.com, strollaround.com and zeustechnology.com.
postmasterclass.com shares at least some mail servers with other domains, for instance newhomesguide.com and gwpi.net.
These mail servers are commonly used alongside the mail servers email.newhomesguide.com and mail.newhomesguide.com.
Host names with a single IP:
mxa-001a3c01.gslb.pphosted.com resolves to 67.231.148.195.
mxb-001a3c01.gslb.pphosted.com resolves to 67.231.153.114.