The correct spelling of the surname "Redlinger" is /ˈrɛd.lɪŋ.ər/. It is important to note that the "e" and "i" are reversed, which can easily lead to misspellings. The first syllable is stressed, with the "e" pronounced as in "red." The second syllable contains a short "i" sound as in "lid," and the "ng" is pronounced as in "sing." The final syllable is pronounced as "er." Using IPA phonetic transcription can help to ensure accurate spelling of names and words.