MXLIST.NET - 20.21.129.in-addr.arpa
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20.21.129.in-addr.arpa checked at 2025-10-28T02:24:27.949Z 143ms 57/57/57 100% R:1420.21.129.in-addr.arpa
| NS | accuvax.northwestern.edu | ||||||
| A | 2620:10d:2010:6011::100 🇺🇸 NWU-AS | ||||||
| A | 129.105.49.100🇺🇸 NWU-AS | ||||||
| PTR | accuvax.northwestern.edu | ||||||
| NS | ns1a.rit.edu | ||||||
| A | 2620:8d:8000:0:aba:ca:daba:ee 🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns1a.rit.edu | ||||||
| A | 129.21.1.82🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns1a.rit.edu | ||||||
| NS | ns2a.rit.edu | ||||||
| A | 2620:8d:8000:0:aba:ca:daba:ef 🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns2a.rit.edu | ||||||
| A | 129.21.1.92🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns2a.rit.edu | ||||||
21.129.in-addr.arpa
| NS | accuvax.northwestern.edu | ||||||
| NS | ns1a.rit.edu | ||||||
| NS | ns2a.rit.edu | ||||||
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Starts with same word
Starts similarily
AI analysis
20.21.129.in-addr.arpa is a parent of 1.20.21.129.in-addr.arpa, 35.20.21.129.in-addr.arpa, 14.20.21.129.in-addr.arpa and 11.20.21.129.in-addr.arpa.
20.21.129.in-addr.arpa delegates to three name servers: accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.
20.21.129.in-addr.arpa shares some name servers with other domains, for example 105.74.199.in-addr.arpa, nutv.northwestern.edu, 206.20.67.in-addr.arpa, 34.124.165.in-addr.arpa and nsm.buffalo.edu.
These name servers are commonly used with cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.
Host names with two IP numbers:
accuvax.northwestern.edu: 2620:10d:2010:6011::100 and 129.105.49.100
ns1a.rit.edu: 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82
ns2a.rit.edu: 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92