WWW.RTSAK.COM - 49.1.6.139.in-addr.arpa
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49.1.6.139.in-addr.arpa checked at 2025-10-02T21:57:20.522Z 465ms 16/16/16 100% R:949.1.6.139.in-addr.arpa
| PTR | lvs-smtpgate3.nz.fh-koeln.de | ||||||
| A | 139.6.1.49🇩🇪 DFN Deutsches Forschungsnetz e.V. | ||||||
| PTR | lvs-smtpgate3.nz.fh-koeln.de | ||||||
1.6.139.in-addr.arpa
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