11.8M domains entered the zone files last month, and 9.0M left
The drop is 6.1% of the zone-file-visible base in a single month. The registered base is not a slowly growing list, and a corpus that only counts what exists today cannot show it — a name is invisible the moment it goes.
distinct domains tracked
every domain the corpus has ever resolved, whether or not it still does
Source: Datazag · as of 2026-11-05
of them resolving
resolving domains in the Datazag DNS corpus
Source: Datazag · as of 2026-11-05
zone files collected
top-level and second-level zones the collection receives
Source: Datazag · as of 2026-09-04
dropped from the zone files, 30 days
8,953,338 of 145.9M domains tracked in the zone-file lifecycle
Source: Datazag · as of 2026-11-05
newly seen in the zone files, 30 days
11,775,988 of 145.9M domains tracked in the zone-file lifecycle
Source: Datazag · as of 2026-11-05
of resolving domains publish IPv6
78,199,666 of 366.2M measured domains
Source: Datazag · as of 2026-11-05
found through certificate transparency
16,144,841 of 438.2M domains in the Datazag DNS corpus
Source: Datazag · as of 2026-11-05
The figures
Free to quote with attribution. Open the notes on a card before you do.
Domains resolved and enriched
resolving domains in the Datazag DNS corpus
Source: Datazag · as of 2026-11-05
Top-level domains the corpus reaches into
1,432 of 1,453 delegated top-level domains
Source: Datazag · as of 2026-11-05
Tracked domains that no longer resolve
72,505,170 of 438.2M domains in the Datazag DNS corpus
Source: Datazag · as of 2026-11-05
Sites on hosting platforms, counted apart from domains
platform-hosted names that resolve
Source: Datazag · as of 2026-11-05
Domains registered in the last 90 days
29,557 of 540,675 domains with registration data
Source: Datazag · as of 2026-11-05
Domains whose first certificate is under 30 days old
58,747,380 of 235.8M domains with a certificate observed
Source: Datazag · as of 2026-11-05
Domains dropped from the zone files in 30 days
8,953,338 of 145.9M domains tracked in the zone-file lifecycle
Source: Datazag · as of 2026-11-05
Domains newly seen in the zone files in 30 days
11,775,988 of 145.9M domains tracked in the zone-file lifecycle
Source: Datazag · as of 2026-11-05
Resolving domains that publish an IPv6 address
78,199,666 of 366.2M measured domains
Source: Datazag · as of 2026-11-05
Domains found through certificate transparency alone
16,144,841 of 438.2M domains in the Datazag DNS corpus
Source: Datazag · as of 2026-11-05
Domains publishing a CAA record
6,474,780 of 366.2M resolving domains
Source: Datazag · as of 2026-11-05
Domains parked on a recognised parking platform
35,510,267 of 366.2M resolving domains
Source: Datazag · as of 2026-11-05
Domains with a signed DNSSEC delegation
29,989,429 of 366.2M resolving domains
Source: Datazag · as of 2026-11-05
By top-level domain
Where the corpus sits, and where the zone files are adding to it.
Largest TLDs by resolving domains
The 15 largest of the corpus's top-level domains.
Newly seen in the zone files, by TLD
Names added to the daily zone feed in the 30 days to 2026-11-05.
Pivot the corpus
Precomputed counts over groups. Slice 366,150,810 domains with no server round-trip — and no slice will ever name one.
Every domain that resolves. The right base for anti-spoofing questions.
Finds the extremes. Often small groups sitting near 100%.
The domain's TLD, as registered.
across all resolving domains
45,394,057 of 366,150,810 all domains
Source: Datazag · as of 2026-11-05
DMARC enforced — 45,394,057 of 366,150,810 all domains.
DMARC enforced by top-level domain
Rate against all domains — highest rate first.
Query these statistics directly
Every figure on this page is served as Parquet. Same format as the corpus itself.
SELECT * FROM read_parquet('https://observatory.datazag.com/observatory_statistics.parquet');