DNSWHOIS.INFO - 11.21.142.131.in-addr.arpa
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11.21.142.131.in-addr.arpa checked at 2025-10-31T11:43:29.163Z 1015ms 25/25/25 100% R:711.21.142.131.in-addr.arpa
| PTR | cfa.harvard.edu | ||||||
| A | 104.20.19.56 Cloudflare | ||||||
| A | 172.66.165.88🇺🇸 Cloudflare | ||||||
| PTR | www1.cfa.harvard.edu | ||||||
| A | 131.142.21.11🇺🇸 HARVARDNET | ||||||
| PTR | cfa.harvard.edu | ||||||
| PTR | www1.cfa.harvard.edu | ||||||
21.142.131.in-addr.arpa
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