1. Amit, K., Haya, S., Michael, W.: Counting in the Dark: DNS caches discovery and enumeration in the internet. IEEE Comput. Soc. DSN (2017)
2. Arends, R., Austein, R., Larson, M., Massey, D., Rose, S.: DNS security introduction and requirements. RFC 4033, IETF (2005). http://www.ietf.org/rfc/rfc4033.txt
3. Alzoubi, H.A., Rabinovich, M.I., Spatscheck, O.: The anatomy of LDNS clusters: findings and implications for web content delivery. In: WWW (2013)
4. Blank, S., Goldsten, P., Loder, T., Zinkn, T., Bradshaw, M.: Brand indicators for message identification (BIMI). In: IETF (2021)
5. BIND max-cache-ttl. https://bind9.readthedocs.io/en/v9_18_7/reference.html?highlight=max-cache-ttl