MXLIST.NET - 187.221.91.in-addr.arpa
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187.221.91.in-addr.arpa checked at 2025-11-01T02:51:40.834Z 627ms 67/67/67 100% R:8187.221.91.in-addr.arpa
| NS | pdns109.ultradns.biz | ||||||
| A | 2610:a1:1015::91 🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.biz | ||||||
| A | 156.154.66.109🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.biz | ||||||
| NS | pdns109.ultradns.com | ||||||
| A | 2001:502:f3ff::91 🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.com | ||||||
| A | 156.154.64.109🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.com | ||||||
| NS | pdns109.ultradns.net | ||||||
| A | 2610:a1:1014::91 🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.net | ||||||
| A | 156.154.65.109🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.net | ||||||
| NS | pdns109.ultradns.org | ||||||
| A | 2001:502:4612::91 🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.org | ||||||
| A | 156.154.67.109🇺🇸 Neustar | ||||||
| PTR | pdns109.ultradns.org | ||||||
221.91.in-addr.arpa
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AI analysis
187.221.91.in-addr.arpa is a parent of 69.187.221.91.in-addr.arpa, 68.187.221.91.in-addr.arpa and 67.187.221.91.in-addr.arpa.
187.221.91.in-addr.arpa is delegated to four name servers: pdns109.ultradns.biz, pdns109.ultradns.com, pdns109.ultradns.net and pdns109.ultradns.org.
At least part of the name servers for 187.221.91.in-addr.arpa are shared with other domains, for instance xdef.net, mymasterroaster.com, motordealers.com.au, apotrust.com and rivotvoffer.com.
These name servers are commonly used alongside ns1.coltnet.at and ns8.colt.net.
Host names with two IP numbers:
pdns109.ultradns.biz points to: 2610:a1:1015::91 and 156.154.66.109
pdns109.ultradns.com points to: 2001:502:f3ff::91 and 156.154.64.109
pdns109.ultradns.net points to: 2610:a1:1014::91 and 156.154.65.109
pdns109.ultradns.org points to: 2001:502:4612::91 and 156.154.67.109