IPLIST.NET - 21.244.159.66.in-addr.arpa
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21.244.159.66.in-addr.arpa checked at 2025-10-18T00:16:55.067Z 303ms 16/16/16 100% R:821.244.159.66.in-addr.arpa
| PTR | mx07-0050d301.pphosted.com | ||||||
| A | 66.159.244.21🇺🇸 PROOFPOINT-ASN-EU | ||||||
| PTR | mx07-0050d301.pphosted.com | ||||||
244.159.66.in-addr.arpa
| NS | pdns99.ultradns.biz | ||||||
| NS | ns1.proofpoint.com | ||||||
| NS | ns3.proofpoint.com | ||||||
| NS | pdns99.ultradns.com | ||||||
| NS | pdns99.ultradns.net | ||||||
| NS | pdns99.ultradns.org | ||||||
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