IPLIST.NET - 21.28.183.185.in-addr.arpa
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21.28.183.185.in-addr.arpa checked at 2025-10-11T22:51:41.433Z 146ms 16/16/16 100% R:1221.28.183.185.in-addr.arpa
| PTR | mx08-00165c01.pphosted.com | ||||||
| A | 185.183.28.21🇺🇸 PROOFPOINT-ASN-EU | ||||||
| PTR | mx08-00165c01.pphosted.com | ||||||
28.183.185.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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