https://propertydna.org/ 2026-04-08 weekly 1.0 https://propertydna.org/spec/ 2026-04-08 monthly 0.9 https://propertydna.org/validator/ 2026-04-08 monthly 0.7 https://propertydna.org/listings/AT-1130-WIEN-HIETZING-006.txt 2026-02-21 19:47:07 weekly 0.8 https://propertydna.org/listings/AT-1090-WIEN-ALSERGRUND-005.txt 2026-02-21 19:47:05 weekly 0.8 https://propertydna.org/listings/AT-1060-WIEN-MARIAHILF-004.txt 2026-02-21 19:47:04 weekly 0.8 https://propertydna.org/listings/AT-1020-WIEN-LEOPOLDSTADT-003.txt 2026-02-21 19:47:03 weekly 0.8 https://propertydna.org/listings/AT-1010-WIEN-DOMGASSE-002.txt 2026-02-21 19:47:01 weekly 0.8