shell:$ nslookup -timeout=2 -retry=1 'login.o2online.de'
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
login.o2online.de canonical name = static-ipv4.spectrum.telefonica.de.
Name: static-ipv4.spectrum.telefonica.de
Address: 141.101.90.39
Name: static-ipv4.spectrum.telefonica.de
Address: 141.101.90.38
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