Spamhaus PBL
81.16.3.20 is listed on the Spamhaus PBL blacklist.
Description: The Spamhaus PBL is a DNSBL database of end-user IP address ranges which should not be delivering unauthenticated SMTP email to any Internet mail server except those provided for specifically by an ISP for that customer's use.
Type of feed:
secondary (DNSBL) (
feed detail page)
Last checked at:
2025-08-01 23:00:50.172000
Was present on blacklist at:
2025-07-04 23:00,
2025-07-11 23:00,
2025-07-18 23:00,
2025-07-25 23:00,
2025-08-01 23:00
UCEPROTECT L1
81.16.3.20 is listed on the UCEPROTECT L1 blacklist.
Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-07-27 15:45:00.989000
Was present on blacklist at:
2025-07-10 07:45,
2025-07-10 15:45,
2025-07-10 23:45,
2025-07-11 07:45,
2025-07-11 15:45,
2025-07-11 23:45,
2025-07-12 07:45,
2025-07-12 15:45,
2025-07-12 23:45,
2025-07-13 07:45,
2025-07-13 15:45,
2025-07-13 23:45,
2025-07-14 07:45,
2025-07-14 15:45,
2025-07-14 23:45,
2025-07-15 07:45,
2025-07-15 15:45,
2025-07-15 23:45,
2025-07-16 07:45,
2025-07-16 15:45,
2025-07-16 23:45,
2025-07-20 23:45,
2025-07-21 07:45,
2025-07-21 15:45,
2025-07-21 23:45,
2025-07-22 07:45,
2025-07-22 15:45,
2025-07-22 23:45,
2025-07-23 07:45,
2025-07-23 15:45,
2025-07-23 23:45,
2025-07-24 07:45,
2025-07-24 15:45,
2025-07-24 23:45,
2025-07-25 07:45,
2025-07-25 15:45,
2025-07-25 23:45,
2025-07-26 07:45,
2025-07-26 15:45,
2025-07-26 23:45,
2025-07-27 07:45,
2025-07-27 15:45
SpamCop
81.16.3.20 is listed on the SpamCop blacklist.
Description: The SpamCop Blocking List (SCBL) lists IP addresses which have transmitted reported email to SpamCop users.
Type of feed:
secondary (DNSBL) (
feed detail page)
Last checked at:
2025-08-01 23:00:50.172000
Was present on blacklist at:
2025-07-11 23:00,
2025-07-18 23:00,
2025-08-01 23:00
