http://www.zenvirus.com/ has been crawled 140 times going all the way back to May 26, 2003.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
Jan
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Feb
1
2
3

February 4, 2012

2 snapshots

4
5
6
7
8

February 9, 2012

1 snapshot

9
10
11
12
13

February 14, 2012

1 snapshot

14
15
16
17

February 18, 2012

1 snapshot

18
19
20
21

February 22, 2012

1 snapshot

22
23
24
25
26
27
28
29
Mar
1
2

March 3, 2012

1 snapshot

3
4
5
6

March 7, 2012

1 snapshot

7
8

March 9, 2012

1 snapshot

9
10
11

March 12, 2012

1 snapshot

12
13
14

March 15, 2012

1 snapshot

15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Apr
1
2
3
4
5
6
7
8

April 9, 2012

1 snapshot

9
10

April 11, 2012

1 snapshot

11
12
13

April 14, 2012

1 snapshot

14

April 15, 2012

1 snapshot

15

April 16, 2012

1 snapshot

16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
May
1
2
3

May 4, 2012

1 snapshot

4

May 5, 2012

1 snapshot

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Jun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Jul
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

July 21, 2012

1 snapshot

21

July 22, 2012

1 snapshot

22
23
24
25
26
27
28
29
30
31
Aug
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Sep
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Oct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Nov
1
2
3
4

November 5, 2012

1 snapshot

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

December 24, 2012

1 snapshot

24
25
26
27
28
29
30
31

Note

This calendar view maps the number of times http://www.zenvirus.com/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.